Meiling is a housewife who lives with her husband and daughter and son-in-law. Although she lives a comfortable life, she has been having an affair because her sex life with her husband has become estranged. One day, Meiling accidentally discovers a video starring her son-in-law, Yoshikazu, at a love hotel. For the sake of her daughter, Meiling plans to find out from Yoshikazu whether it is true or not, but instead, her affair is discovered. "If you want to have an affair, do it with me!" Yoshikazu says, forcing himself on her with his young cock. Yoshikazu is unable to stop his desire for Meiling, who is his stepmother, but has beautiful skin and voluptuous breasts, and the two continue their messy affair within the home...