It’s 1963 in Yokohama, Japan, a country still in the recovery period after the war. A generation of young men was lost and their families remaining in life tries to create a future without her. Umi is a girl of 16 who is responsible to care for the whole family (her younger brothers and grandmother), after her father died in the Korean War, and his mother is away overseas. Umi knows from school Shun, a young passionate about saving building a club for students scheduled for demolition because remember a painful past. Shun is very keen to save the club, seeing a future for him, and inspired by passion boy Umi discovers that she wants to fight for something. Between the two blossoming romance soon threatened by secrets from the past.