In a bid to bring back life to their town after seeing its population dwindle in recent years, the manager of a shopping mall in northern Saitama Prefecture and the executive director of the Honjo Chamber of Commerce start a project to put together an improvised jazz band from local citizens. A former music teacher (Shimizu Shogo) is coerced into becoming the band leader, but the other prospective members are all elderly amateurs with little knowledge of music.
Botan and Miwako are half sisters. As Miwako comes of age, she is forced by her mother to break up with her boyfriend, who then starts stalking her. Both Miwako and Botan get entangled in the situation and things turn for the worse. This is a story of a turbulent love-hate relationship between the two women.
