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.

This film is an adaptation based on the 1988 Japanese film Kaisha monogatari: Memories of You, written and directed by Jun Ichikawa. This film follows the story of "Chief" Cho Min-hyuk (Baek), a middle-aged corporate manager nearing his retirement after working for 30 years in the same company. Cho and other colleagues in the office secretly have held dreams of being rock musicians but they suppressed those ambitions in order to get stable office jobs and support their families. During the film Cho and others resume their interest in playing musical instruments and form a band together. However Cho struggles to deal with office politics that result from his upcoming retirement as well as the anxiety for his and his family's future post-retirement.

Si-bum has a dream of being an actor. One day, he meets a girl Su-kyoung and falls in love with her at first sight. With Si-bum together, Su-kyoung seems to get over her pain and also the uncomfortable relationship with her father. But after a while, she has to confront her mother's death. To escape from the reality, they take a trip to the sea but then Su-kyoung gets severely injured from a car accident. Desperately struggling to save her, Si-bum steals money to pay her hospital and this leads him to work in a bar to serve rich girls. Now Si-bum uses his acting skill to relieve Su-kyoung and pretends he makes a living from acting. But when he is getting popular, he decides to follow his friend Young-ho to Seoul to make more money. One day he comes across one of his old friends and gets involved in a big fight.