Look Back in Anger

After the death of his father, the eldest son, Dong Hoon, joins a gang. His younger sister, Mi Na, is often absent from school. The younger brother, Dong Jin, becomes a detective. While eating at a restaurant, Dong Hoon meets a girl named Jung Hee, and they soon fall in love. However, Dong Hoon later finds out that his girlfriend is the daughter of a rival crime boss.