Saki, a full-time housewife, is alone again today, waiting for her husband to come home. Even though she has made dinner for him, he won't eat a bite because he has been drinking with his colleagues. She has been married for 10 years, but has not had sex with her husband. Recently, she has suspected that he is cheating on her because of his suspicious behavior. After turning 30, Saki is in the prime of her womanhood and even feels stressed by her frustrated daily life. In an attempt to change this lifestyle, Saki decides to take a part-time job at a bar in front of the station. There, she meets and is attracted to a young and handsome man named Hajime. "Let me remember the joys of being a woman..." A married woman becomes addicted to extramarital sex with a younger man.