Jae-won, a competent husband at a stable workplace is enjoying his honeymoon with his wife. One day, he found a strange video through a USB. It contains his wife’s sex video, not with a man but with another woman. After seeing this, Jae-won suspects Ji-soo’s past life and invites Joo-hee, the other woman in the video to come over the weekend and find out the truth.

The fugitive hides in the basement of a wealthy house where his wife works as a housekeeper to avoid debtors. Min-ho, a very successful businessman in the construction field, pokes at a new housekeeper, and his wife, who resents her husband for neglecting her, goes to find a fugitive living in the basement. The interlaced sex of two couples who gradually cross the water level. How far will their narrowly dangerous tightrope go?

If you give it once, a good brother-in-law who gives everything generously will come! At the house of her girlfriend Jin-kyung, who lives with pumice stone, her brother and his wife suddenly visit and the four of them live together. At first, Kyung-seok, who was burdened by his girlfriend's brother, began to keep his eyes on his wife, Yeon-su. A bold brother-in-law who walks around in no-bra and panties without hesitation even at his sister-in-law's house. Besides, from a certain moment, he starts to send a hand of temptation to Pyeong-seok first...