South Korea, 1993. An agent of the National Intelligence Service is sent to Beijing to infiltrate a group of North Korean officials with the ultimate goal of obtaining information about their nuclear program.

A retired contract killer goes on a bloody rampage when a young girl finds herself at the mercy of gangland human traffickers and only one man can come to her rescue, with an arsenal of weapons and years of experience in the art of killing.

A struggling restaurant owner, caring for his sick mom, finds a bag of cash in a sauna locker, while a customs officer gets into trouble when his girlfriend runs off with money he borrowed from a loan shark.

Jang Se-chool is the boss of a gang. He has been in love with Kang So-hyun for the past 3 years, even though she constantly rejects him and tries to push him away. Having had enough, she tells him that she can't be with him because she wants to be the first lady of Korea.

On a Christmas Eve, a lifeless body of teenage boy is found. The victim's revenge-driven twin brother checks himself into a juvie to hunt down the suspects.