Tetsuo lives alone while working at a delivery company. Tetsuo is quiet and has few friends, and is always home alone, but one day he hears his young wife Nanako arguing with her husband next door. Nanako is having trouble with her unemployed husband who repeatedly acts tyrannical, and Tetsuo sympathizes with her. One day, Tetsuo is taken to a striptease theater by his co-workers. Tetsuo watches blankly without any interest, but the person who appears on stage with a bright smile is the young wife next door, Nanako, who always looks sad...