Stop peeking and let's have a fling. Min-ho works at a private detective agency where peeking into others' lives is what he does. One day, a pretty woman named Mi-na asks him to tail her husband and Min-ho is in for a shock. The man he's tracking down is in an affair with his wife, Soo-kyung. The place they meet each other is usually Min-ho's house after he's gone to work. Min-ho installs secret cameras to catch theem in action and watches the scene with Mi-na.

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...

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 ...

Alice and Noel have a happy married life. Alice is a very successful woman and a dutiful wife to his kind and intelligent husband, Noel. But she is also a wild partner in bed to Dennis, her kept man. There is nothing wrong with her marriage, but Alice just feels the need to keep both her husband and lover. Everything is going well until one day, Alice finds out that she’s pregnant. Not knowing who the father is, she comes clean to Noel and Dennis, and this decision completely changes her life. Noel decides to break it up with Alice, and Dennis vows to take care of her and her baby.