A married woman, Maki, who lives with her son while her husband is overseas. One day, a college student's son brings her friends home to write an assignment report. Late at night, her friend, who witnessed her masturbating in her bedroom, forcibly commits her madness to her. Even though she is fucked, her body reacts to her long-forgotten pleasure, and she gets drunk with the climax that comes, and Maki drowns in pleasure.
