Jung Yeon-ju

Seo-hyun is an ordinary housewife in her late thirties with a ten-year-old son and a successful architect husband. For her, life is a series of banal routines. Her sheltered life is suddenly threatened with the appearance of Woo-in, her much younger sister's attractive new fiancé.

A tough cop goes vigilante to rid the streets of a vicious gang boss after his friend is murdered. But along the way he discovers that his brother may also be mixed up in the hooliganry.