A North Korean spy Lee Chul-jin infiltrates the eastern coast of South Korea. His mission is to steal a Super Pig DNA sample which can be used to alleviate the famine in North Korea.
Three elite North Korean sleeper agents live under cover for so long that they believe their cover stories are their real identities. They are shocked when they are ordered to kill one another or face death at the hands of an elite hit team.
Pil-ju, an Alzheimer's patient in his 80s, who lost all his family during the Japanese colonial era, and devotes his lifelong revenge before his memories disappear, and a young man in his 20s who helps him.
Tae-sik gets out of a prison after spending 10 years for killing a man and wishes nothing but an ordinary life. A local lady welcomes him into her household like a son and he gets a second chance in life. His former gang tries to destroy his new home in order to build a night club but he won’t let them destroy his new family.