Ji Hoo is an introverted guy who's not used to expressing his honest feelings. One day, he meets his first love from college as a student who signed up for his one-day photography class. He tries to keep his distance from her, but she keeps reminding him of the past.

In 1933, when Korea was under Japanese occupation, five people in Gyeongseong are suspected to be "Phantom" spies of the anti-Japanese organization.

One day, three siblings receive a postcard from their mother who left them a long time ago. But all it says is "I miss you." Three siblings are disconcerted by the sudden contact, but eventually, they go on a trip to meet their mother.

The story of two brothers, growing up in 1970s Korea, who each take two completely different paths. One goes to school to become a doctor, the other becomes a gangster. Their story is told through flashbacks after one of them is murdered.

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.

In the late Joseon Dynasty, Bongyi Kim Seon-dal is the best conman who sells water from the Taedong River.

A corrupt customs official joins forces with a vicious gangster to form the most powerful crime partnership in Busan.