My Daughter Rescued from the Swamp(1984)

Original title: 수렁에서 건진 내 딸

Yu-ri falls in with a group of wild teenagers and is soon imitating their behavior. She takes to skipping school and in a short time, her parents are unable to control her. One night, her parents are forced to turn Yu-ri over to the police. They receive instructions from a specialist in juvenile delinquincy on how to deal with their daughter.