Sung-joo and Joo-hee moved into a new house next to Jong-gyu and Min-joo. Joo-hee gives out ddeok to tell them they've moved in next door. Jong-gyu falls in love with Joo-hee at once and thinks about having sex with her. Meanwhile, Sung-joo goes next door to borrow a tool and he falls for Min-joo. The husbands are attracted to each others' wives and soon they cross the line.

Mi-yeon, a woman who has lived without her eyes and eyes to take care of her husband and son. The family is everything she can't change with anything in the world. Her husband, Cheol-min, is stressed every day because of a project to win the company's life-saving home shopping broadcast rights. A few days later, when he hears that a competitor has won a home shopping broadcast, Cheol-min visits Hyun-gil, a college senior at home shopping. Hyun-gil said that it was already decided, and her wife Mi-yeon went to the door, and Mi-yeon, a wife, visits Hyun-gil's house to ease her husband's difficulties. Hyun-gil will ask Mi-yeon, who has visited her home, to make a secret offer ...

Kyung-soo and Eun-ji are married due to their parents' business. Eunji is sad and depressed because her husband's love is not married. Meanwhile, Gyeongsu meets Yeongju without a wife and has an affair. One day, Eun-ji's boiler broke down at home, and she called an AS engineer. He meets Jung Hwan, who was a lover before marriage. The husband goes out of the hotel saying he sleeps at the hotel until the boiler is repaired, and Eunji and Junghwan get hotter after thinking about it...