Tomoko has a college-aged daughter, Yuka. Yuka works hard at part-time jobs to support her boyfriend, Hiro, who aspires to be a model, offering him both money and her body every day. However, what troubles Tomoko more than Yuka is her father-in-law, Matsusaku, who lives with them. Sexual harassment of Tomoko is a daily occurrence. When her husband, Shinya, goes on a long business trip, Tomoko, unable to bear Matsusaku's harassment any longer, decides to take a part-time job to earn money to put him in a nursing home...