Mi So, who broke up with her boyfriend, goes down to the countryside to see her college senior, Myeong Hwa. Myeong Hwa, which was popular in college, are still popular with men, running a pension with the wealth inherited from their parents. Myeong Hwa is enjoying with two men, rich boyfriend Gye Yeong and the young Jae Sik. When a young and innocent smile appears, the two men are in favor of Mi So. Mi So first seduces Jae Sik, who is the same age...

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.

Two couples vacation together. They were friends and campus couples in college. Meeting again after the years passed sparks new attractions.

Dae-sung and Jung-won have been married for two years. They are car pooling with the married couple next door. Woo-sung and Tae-hee don't interfere with each others' lives. However, these two couple don't just share cars, they share each others' wives too...

A man stays with his father's friend Min-cheol in Seoul as he attends law school. The man has an interest in Min-cheol's young wife, Soo-kyeong, and in her best friend, Yoo-ra.

A secret interview with AV actress Ga Bin begins. Reveal everything without hiding to those who want to know all about her charming.

Dong-hoon moves to a new house. On the day of moving, he comes to the landlord to pick up the keys he didn't receive. He is happy to be seeing the beautiful Ji-hyeon. Ji-hyeon noticed Dong-hoon's interest. Dong-hoon had a housewarming celebration with his friend Min-soo. Ji-hyeon started to take a hold on the drunk Min-soo and then passed out in no time. The next day, Dong-hoon happily welcomes Ji-hyeon, who came to him without knowing what happened.

Dong-hoon and Min-soo, who are college friends, are best friends with their boyish female friend Ji-hyeon from the same department. Min-soo secretly likes this kind of Ji-hyeon. One day, Ji-hyeon, Min-soo and Dong-hoon drink casually, and Ji-hyeon makes a mistake. Ji-hyeon, who drank a lot the day before, seems to have slept with someone, but she can't remember whether it was Dong-hoon or Min-soo. But Ji-hyeon is more confused by the behavior of two men who are so indifferent... Was it Min-soo who spent the night with Jihyeon? Was it Dong-hoon? The sweet, gruesome love story that falls into an unknown mystery is just beginning.

Ji-hyeon and Min-soo are a younger couple who just got married and started a family. For Ji-hyeon, Min-soo is a perfect husband without shortcomings, but the only downside is that she is not satisfied with her younger husband's sexual life due to her strong sexual desire. Then one day, Ji-hyeon, who accidentally placed an order through a delivery app, found out about a delivery man named Dong-hoon who came to their home to drink a glass of water, and then she finally crossed the line. Ji-hyeon, who has tasted the thrill that she has never felt from Min-soo, visits Dong-hoon every night, and her husband Min-soo spends each day with her without knowing this... The love game between a man and a woman, who cannot be seen at all, is just beginning.