Ga Seon-yeong is the main antagonist of 2025 crime romantic drama Mrs Incognito. She is scheming and entitled stepdaughter of the business tycoon Ga Sung-Ho and psychiatrist, who schemes to inherit his business empire by any means including murdering her own stepsister to remove Sung-ho's rightful heir. In retaliation, Chairman Sung-Ho decides to trap both Seon-yeong and her brother Seon-Woo in a scheme involved a female bodyguard named Kim Young-Ran to have both of them arrested.
It does not take long for Seon-yeong and her brother to come after Young-ran's life to remove the final obstacle to control the Gasung Group.
She is portrayed Jang Yoon-Ju who portrayed Jongiui Jib from Money Heist: Korea -Joint Economic Area.
Biography[]
Past[]
Ga Seon-yeong and Ga Seon-Woo's mother married Chairman Ga Sung-Ho of the Gasung Group. Sung-Ho used to have a relationship with a woman during the early days building his business empire, resulting in the birth of his illegitimate daughter, which he did not know.
Sung-ho despises his stepchildren as Seon-yeong schemed to wrestle control of the company from him and know nothing about how to run a business and Seon-Woo was an incompetent fool who squandered three major business ventures of the company. Furthermore, both of them insist that they deserve to inherit the corporation through their mother's marriage, which further infuriating Sung-Ho due to their self-entitlement. Seon-yeong works as a drama therapist as a side job and she takes advantages of her profession and skill in theatrical therapy to hire and manipulate a psychopathic inmate named Lee Se-Joon into her personal hitman.
Eventually he discovered the existence of his biological daughter and decided to make amend to her by sponsoring her art education. Ga Seon-yeong had killed her step-sister killed by Se-Joon through drug overdose to remove her as an heir to Gasung Group. Sung-ho was helpless to seek justice for his daughter due to the expiration of the statue of limitation, thanked to Seon-yeong hampering the investigations.
Ga Seon-yeong instructed the house butler, Choi to make unhealthy food to hasten the death of Sung-ho so she can inherit his business empire. Sung-ho knew well about Seon-yeong's scheme so he set up a secret monitoring room in his mansion to monitor the butler and Seon-yeong.
Eventually, Sung-ho contracted terminal illness and only had six month left to live. He then discussed a plan with his trusted lawyer Lee Don to deny Seon-yeong the inheritance, which involved a female bodyguard.
Mrs Incognito[]
Kim Young-Ran, a dirt poor young women from a broken family who worked as a warehouse worker applies for the position of bodyguard for Sung-ho to relieve her financial pressure. Due to having prior experience in bodyguarding and high sincerity, Young-Ran is hired.
During the first days of the job, Sung-ho tests her sincerity by tasking her to find all the hidden cameras around his house, which he installed to monitor Seon-yeong and Choi's movements. After she completes the task, Sung-ho then reveals that the test is meant to see if she is willing to kill him even giving the right pride as his own butler was bribed to slowly kill him by Seon-yeong. After telling her the whole story of how Seon-yeong killed his biological daughter and her entire scheme to ensure his death to inherit his fortune, he then proposes a contract marriage to Young-ran as part of his revenge plan. He explains that Young-ran will serves as bait by being his heir to lure Seon-yeong and her brother, Seon-Woo into an elaborate trap so he can have all two of them arrested on murder conspiracy charges.
In exchange for her collaboration, Sung-ho promises Young-ran that he will officially name her as his successor in the Gasung Group and his vast fortune when he is gone. At first, Young-ran refuses due to the risk but she gives in after her mother pests her for money.
Lee Don gives Young-ran, the marriage contract and elaborates the details of the plan are that three months after Sung-ho's death, there will be a shareholder meeting to determine the chairman of Gasung group. During the period of three months, Young-ran must pose as an kindergarten teacher under the name Bu Se-Mi at the Muchang Iseon Kindergarten in Gochang County so the trap can be set when Seon-yeong and Seon-Woo send assassins to murder her as well as to protect her from getting killed if she stays in Seoul. After three months at the shareholder meeting, she must use her majority vote given to her as Sung-Ho's heir to oust both Seon-yeong and Seon-Woo out of the corporation for good. Things get complicated when Lee Don states that Young-ran must euthanize Sung-Ho and Lee Don will record the murder as an insurance to force her to follow the plans till the end. As they discuss the plan, Young-ran catches butler, Choi eavesdropping on the conversation and Sung-ho demands that she stops working for Seon-yeong as he will pay her more. Sung-Ho then gives Young-ran, a box of Daewoo Precision Industries K5 pistol to defend herself from assassins sent by Seon-yeong in the future.
Sung-Ho eventually collapses from his illness and it is revealed by his doctor that he uses painkillers to prolong his life, which in turn worsening his conditions. Taking pity on Young-ran, Sung-Ho makes a final recording of his last words before shooting himself instead of making Young-ran euthanizes him.
Seon-young and her brother are joyful at the death of their stepfather and she plans to make her brother as Chairman in the upcoming shareholder meeting to make him as her puppet. However, they are infuriating that Young-ran is now an heir based on Sung-Ho's will. Seon-young tries to intimidate Young-ran to no prevail due to her toughness. As the result, to prevent Young-ran from taking over the corporation, the duo once again bribe butler Choi and Sung-ho's chauffeur with 100 millions won each to trap Young-ran from attending the shareholder meeting in the next three months but Beak Hye-Ji, a maid who Young-Ran befriended eavesdropped the scheme. This enables Young-Ran to neutralize the butler and the chauffeur before they can imprison her in the mansion. Lee Don fires both Choi and the chauffeur after this.
Eventually, Young-ran manages to escape to Muchang and poses as the kindergarten teacher with the help of Sung-Ho's favorite strawberry farmer, Jeon Dong-Min. Seon-young's legal team digs into Young-ran's past and discovers her past criminal record and her mother, Kim So-Young was imprisoned for fraud, leading to Seon-young to paint Young-ran as opportunistic gold digger in front of the shareholders and the public. At the same time Seon-Woo comes at a group of loan sharks to hire them to kill Young-ran but they refuse since they are not hitman but they offer to track down Young-ran's criminal mother instead to track her down. Beak Hye-Ji tracks down Young-ran and goes to Muchang and applies to become a ballet teacher to the kids.
Lee Mi-Sun, the principal of Iseon Kindergarten and Lee Don's sister discovers Young-ran's facade but her brother reveals the truth of Young-ran's circumstances to calm her down with Young-ran makes a deal with Mi-Sun to buy the land where the school is located to prevent the school from being demolished for a nursing home. In the mean time, Seon-Woo tries to dig up information of Kim So-Young whereabout from her former cellmate who owns a massage parlor but she refuses. Eventually, Seon-Woo tracks down So-Young and tortures her until she gives in and willing to tell Seon-Woo how to find her daughter in exchange for a large sum of money. Seon-Yeong is displease with Seon-Woo with his unpopular decisions to not give female employees maternity leaves and being abusive to his subordinates.
Realizing that Lee Don is purposely hinder them, Seon-Yeong frames him with bogus embezzlement charges and he retaliates by instructing Young-ran to upload the secret conversation between Seon-Woo and a business partner to sell the corporation in the future as part of the proposed Divide and Conquer strategy proposed by Young-ran to seed discord between Seon-Yeong and Seon-Woo. The scandal causes the board of directors to decide not vote Seon-Woo as chairman but their conversations are recorded by Seon-Yeong with the intention of removing them as she has evidences of their business malpractices to send to the media. Seon-Woo tries to go to the US to lay low only to be stopped by Seon-Yeong since she does not like him act out of line. At this time, Dong-min recognizes Young-ran's true identity.
Seon-Woo and his hired loan sharks track down Young-ran at Muchang but Young-ran and Dong-Min manage to fend them off with Seon-woo crashes his car into a tree. Fed up with her brother's incompetence and not wanting to share the corporation, Seon-Yeong imprisons Seon-Woo in a mental hospital similar how their birth father was imprisoned by their own mother. Lee Don asks Seon-Woo to join force and he pretends to agree only to steal Lee's car and escape later on without knowing that Lee Don let him do it to entrap him as Lee Don bugs his own car. Seon-woo threatens his sister to surrender her shares to him or else he will release the video of her killing her stepsister, which Lee Don eavesdrops. Lee Don tries to flush out Seon-Woo in the hotel where he stays after his loan shark goons come after him for payment but is captured instead, forcing him to pay the loan sharks in advance to track down Seon-Woo.
Seon-yeong sends Lee Se-Joon to kill Young-ran but is foiled by the combined force of Young-ran; Dong-Min and Beak Hye-Ji but Hye-Ji is stabbed in the process. Realizing she cannot be passive, Young-ran decides to return to Seoul to go on offensive by revealing herself to the public. Seon-yeong hires So-young's former love to stab her to frame Young-ran as well as holding Lee Don's sister as hostage to make him comply. However, Young-ran turns the table and reveals So-young's recording of her entitling her ex-boyfriend to participate in Seon-young's scheme, vindicating herself. Lee Don manages to break free from Seon-yeong's goon and unite with Young-ran to contact Seon-woo to make deal with him to gain the video evidence of Seon-yeong killing his stepsister in exchange Seon-woo can flee the country. Seon-woo gives in and demands 300 millions Won from Young-ran. However, his escape attempt is snitched to Seon-yeong so she sends Se-Joon to silent her brother and retrieve the video evidence. Dong-min researches Se-Joon and finds out how Seon-yeong recruited him from prison in one of her drama therapist session for prisoners and tails him. He manages to warn Lee Don about the assassination attempt at the exchange place in the port.
Seon-woo is killed by Se-Joon during the exchange but is heavily wounded by Young-ran after she shoots him. Se-Joon madly makes the gun in Young-ran's hand to discharge, killing himself to frame her. Dong-min sacrifice himself to the polices so both Young-ran and Lee Don can escape. Seon-yeong forces Seon-young to kill herself or else she will have Dong-min killed in prison. As Young-ran about to pull the trigger, Sung-ho is revealed to have faked his death and reveals himself to her. Sung-ho reasons that he did that as part of the plan to lure Seon-yeong into a vulnerable position to take her down and he wants to make sure he personally witnesses Seon-Yeong downfall before he truly leaves this world. To vindicate Dong-min, they have to get to Se-Joon's body to conduct an autopsy and have to evade Seon-yeong's attempt to cremate it. After the autopsy is conducted, Dong-min is vindicated. Furthermore, Young-ran and Lee Don manage to gather enough evidences of Seon-young's conspiracy in murdering her own brother to bring her down for good.
Seon-Young evades arrest by making her goon take the blame. Unexpectedly, the butler Choi manages to discover Sung-Ho and blackmail Young-ran while contacting Seon-Yeong. Seon-yeong knows that her father has cameras installed in the house so she instructs Choi to cut off the power. Seon-yeong confronts his stepfather and Sung-ho chastises her lust for power and greed. To add salts to the wound, he then reveals that Seon-yeong's own mother killed her father so she could marry Sung-Ho, making Seon-yeong no different from a gold digger at heart. Pushing to the edge, she stabbed Sung-ho to dead with a screwdriver and uses his finger to mark the asset transfer paper so she can take over the company. Unknown to her, there is an independent camera hidden in a golden lion statue that recorded everything, which was installed by Sung-ho as one of his backup plan.
At the shareholder meeting, Young-ran plays the recording to the shareholders and the public to see, leading to her arrest. In court, Young-ran procures a backup USB hidden by Seon-Woo behind his death, which showed how she had Se-Joon murdered her stepsister. With all undeniable evidences, Seon-yeong is sentenced to death.
Despite being in the position of chairwoman, Young-ra feels that she does not deserve the seat so she gives the position to Lee Don while resigning to be a board member. She uses her vast fortune left behind by Sung-ho to buy the land to make Muchang Iseon Kindergarten stays intact.
In prison, while waiting for the day to face the gallows, Seon-young encounters So-young as her cellmate and manipulates her to be her prison bitch to make the last few days of her life comfortable before going to hell.