Sol came home after not dating for a long time. That night, she saw her lonely mom touching herself so she decided to find a boyfriend for her. However, her mom refused and told her she’s fine. Curiously, Sol wanted to find out if her mother already have a boyfriend so she secretly went inside her mom’s room and found her diary…

Jeon and Seok-jin, who are married, rarely have children even though several years have passed since the marriage. One day, his planned friend Joo-hee divorces and stays at his planned house. After contemplating, Seonjeong asks Joo-hee for a surrogate mother, but Seok-jin opposes. After hearing the situation of a friend who wants to have a child, Joo-hee finally, You seduce Seokjin to have a relationship.

Ha-jin spends his vacation at the house of his married sister, Ha-young. But my sister's husband, Kyungmin, was Hajin's old boyfriend. Ha-jin can't forget Kyung-min even after marriage. Kyungmin also feels sorry for Hajin because of her previous mistakes. In the end, when there are only two, Hajin and Kyungmin share a passionate love...

Adultery is rough, yet sweet. The thrill grows even stronger with the fear of getting caught…