During the height of the bubble economy, Akira Komi was celebrated as a young entrepreneur, but now his occupation is that of a househusband. His job is housework and his hobby is making homemade sake, making him quite unremarkable. His wife, Mitsuko, is a highly successful career woman. One day, while Mitsuko is away on a business trip, Akira Komi chases after an old dream and sets out in a boat with Mitsuko's cousin, Chiriko, towards a southern island.