An undercover cop has his loyalties tested when the boss of the corporate gang he's spent years infiltrating dies.

When two brothers are forced to fight in the Korean War, the elder decides to take the riskiest missions if it will help shield the younger from battle.

When a young gang leader seems to be just a bit too stupid to effectively carry out his daily tasks, his superiors order him to go back to school for his high school diploma. Posing as a 19-year-old, he soon learns that the school is even more corrupt and vicious. Wrath is unleashed.

A member of Coast Guard Platoon 23, Private Kang monitors a high-infiltration stretch of beach lined with barbed-wire fencing. Driven by the belief that killing a spy is the highest honor, he waits for a chance to prove his worth.

After losing both her parents, Failan emmigrates to Korea to seek her only remaining relatives. Once she reaches Korea, she finds out that her relatives have moved to Canada well over a year ago. Desperate to stay and make a living in Korea, Failan is forced to have an arranged marriage through a match-making agency.

Changsu does not have any family, friends or lover living in prison as a substitute prisoner for the others. After 3 years in prison, he came back to his normal life with gambling and drinking. One day, Miyeon, appears to him, and everything changes. She enlightens his life for the first time. Changsu bets his everything to save this woman for the first, and for the last time in his life.