Eun-joo

Eun-joo is is main antagonist in the film A Tale of Two Sisters is stepmother to Su-miand Su-yeon and second wife of girls's father Doctor Bae Moo-yeon whom they previously had affair when she was nurse. Su-mi hate her stepmother stealing her father caused her mother suffered illness and later commit suicide. she treated Su-yeon very cruelly. it revealed Eun-joo was blame herself for not saving Su-yeon's life who trapped in wardrobe before she leaves which caused Su-yeon died and made Su-mi as insane who took Eun-joo's character by personality disorder.