Su-san resigns after getting fed up with corporate life, but he finds himself back in familiar surroundings on his first assignment at a new job.

Hama-chan’s sales department gets a new supervisor, a hard-working taskmaster that’s the very opposite of carefree, irresponsible Hama-chan. The veteran employee decides to find his boss, a divorced father, a new wife. The supervisor loves a bar hostess “mama-san,” but is unable to confess his true feelings until Hama-chan comes to his rescue.

Su-San invites Hama-chan to go fishing at a place close to his heart after learning about Hama-chan and his wife's fertility problems.

Densuke Hamazaki is an office worker at Suzuki Construction and gets transferred to the main Tokyo office. After settling in to his surrounding along with his wife Eri, Densuke befriends an elderly man named Ichinosuke Suzuki. Ichinosuke is a lonely and old man who learns to enjoy life again through his friendship with Densuke. Meanwhile, Densuke is completely unaware that Ichinosuke is the boss of his construction company. The two men become friends through their shared passion for fishing.