Ever since her husband died in an accident, Arika has been living alone with her son Jun. Thanks to her hard work in raising him, Jun got a job at a top company, got married, and was living a happy life...or so he thought. Since getting married, her wife, Alice, has been playing around every day without neglecting her housework. One day, when Arika went back to her girlfriend's house, Arika brought her male friend over for a drinking party! ? Arika has lost her patience and scolds Alice, but Alice has a grudge against Arika and conspires with her male friend to come up with a plan for her...