Emi is a housewife living a lonely and frustrated life while her husband is away on a solo business assignment. One day, she receives a call from her daughter, who has moved to Tokyo and wants to introduce her boyfriend. While Emi looks forward to seeing her daughter after a long time, there is something she is even more excited about: the rumor that her daughter's boyfriend is an absolute stud. When the boyfriend comes to stay, Emi cannot get the word "stud" out of her head. Despite the guilt she feels toward her daughter, she finds herself making a move on him...
