Prior to the events of the film, Tran estabished a business partnership with Dominic Toretto, however their parnership ended when a business deal went sour and also because Tran discovered that Toretto slept with his sister, after that the two made an agreement to stay out from each other's territories.
However, one night he and his gang found Brian O'Conner and Dominic "Dom" Toretto in his territory, and escorted them to a parking lot, where he talks to Dom and remarks about Brian's car; he leaves shortly after, only to return and shoot the car with his sub machine guns destroying it and not knowing it is own by the LAPD and FBI. Later as Brian, Vince and Dominic spy on Tran at his garage, he is seen again with his cousin Lance interrogating a man by the name Ted Gassner, regarding the engines in his vehicles, which is also where Brian spots several boxes of DVD players in his garage (the same kind being robbed in the film from truckers). This would lead Brian to organize a large SWAT assault team to invade Tran's house, only to find a few minor weapon possession charges and other minor issues, although he was slapped by his father for the shame and disgrace of being arrested and need to pay the car that he destroyed.
After being bailed out, Tran is later seen at the race wars, racing Jesse for pink slips. Brian warns Jesse about Tran's Honda S2000 having over $100,000 worth of upgrades under the hood of his vehicle, but Jesse ignores him and races Tran anyway - though Tran ends up winning.
Shortly after his victory, Tran confronts Dominic and accused him of the SWAT team invasion on his home, saying it was an act of disrespect towards his family for being narc'd out by someone (unaware that the man responsible, Brian O'Conner, was right there in front of him). This enrages Dominic, who responds by knocking Tran to the ground before repeatedly punching him until Vince separates him - though not after Dominic blurts out to Tran that he "never narc'd on nobody!".
Tran and his cousin Lance later pull a drive-by shooting at Dominic's house, narrowly missing everyone except Jesse, who was killed in the process. Brian and Dominic later chase after the two, leading to Dominic knocking Lance off his bike while Brian continues to pursue Tran on his own. The pair exchange gunfire, though Brian manages to shoot Tran - causing his bike to slide and hit against a wall, killing Tran.
- His nickname "Tran" happens to the name of the very young vicious ruthless Vietnamese drug lord called Tran from the comedy movie Tropic Thunder.