Hae-ra and her husband, Hoon, hire Eun-yi to look after their daughter. When Hoon gets Eun-yi pregnant, Hae-ra tries to kill the child. Soon, Eun-yi decides to seek revenge for the betrayal.
A young woman living in the South Korean town of Paju recalls the last 8 years of her life, since a young man on the lam escaped to it from Seoul and married her older sister.