Choi Woo-seong

Eun-mi and her husband have been married for 5 years, but they rarley have sex. Eun-mi goes through her SNS one late night and finds a post about 'invitation girls'. After thinking about it for a few days, she signs up for it and gets invited by Hyun-ji and her husband for a new and stimulating experience. Eun-mi shared her experience with her husband and 'swaps' with Hyun-ji and her husband....

Invitation Girl

Newly married couple Eun-mi and Seong-soo look ordinary, but they both have their own secrets. Eun-mi enjoys calling her boyfriend to her home while her husband is away on work and Sung-soo enjoys watching his wife have sex with other men through the CCTV in his house. Not being able to get over the excitement he feels by doing that, he tells his wife everything and suggests she has sex with another man again...

Observation Man

Couple Soo-ji and Sang-min, who once lived next door, and Soo-yeon who experienced having an affair, spends a moment of confusion due to Soo-ji's sudden death, and now lives a normal life with her husband Dong-seok.  Then one day, Dong-seok gets into a parking dispute with Mi-ran, a newly-married couple who moved next door, and Soo-yeon is embarrassed to learn that Mi-ran is the female junior who once had lesbian tendencies towards her in college.  Two couples living next door and getting close.  Unlike before, Mi-ran has become a lawyer and ignores Soo-yeon. Soo-yeon gets angry. Meanwhile, Soo-yeon found out that Mi-ran's husband, Seok-ho, is a stay at home husband, and Soo-yeon who is in the same situation is attracted to him.

Affair 2

Won-gi lost his wife a long time ago and is running a pension outside of the city. Then one day, Won-gi's daughter and her friend Se-yeong stays in the pension during a break from their school in Seoul. However, Won-gi finds himself attracted to the friend who is so much like his dead wife. Then he crosses a line that he shouldn't have crossed...

I Don't Like Younger Men

Three men and women start living together. Byeong-soo is chosen in a scenario contest and is picked to write a script for a movie, so he leaves the noisy city and moves in with his married senior from school. At the house is Ji-eun, the senior's wife and a young and sexy Bo-yeong.  The three living together leads to some risky situations!

Invitation Girl

Observation Man

Affair 2

I Don't Like Younger Men

Young Sister-In-Law