The trickster's insertion rule

Joon-sik happens to meet Bo-jin, a former room helper, in the neighborhood while he is tired of his married life with Soo-jeong. Bo-jin, who lives hiding his past, feels threatened by Joon-sik's appearance and demands money by catching his weaknesses...

Yoo Ni, a college freshman, goes on a blind date with Min Cheol, a senior. Though initially attracted, Yoo Ni later wants time apart. Her friend Hee Jin introduces her to Ah Ra, a skilled seductress, who trains Yoo Ni in sexual techniques.

Do Min goes to Bo Young in order to get money and falls in love with her. However, Do Min's feelings for her should not be discovered. Bo Young is just a target he needs to train. Do Min trains Bo Young, but his feelings for her never stop. Bo Young, who noticed Do Min's feelings, in order to escape slavery began training him instead. Bo Young joins forces with Jun Ho and after many twists and turns, they successfully train Do Min and try using him to escape slavery but are blocked by Sung Hee. Sung Hee tries to sell Bo Young and Jun Ho to Do Chul and Bo Young makes the final move to overcome the desperate crisis. Bo Young and Jun Ho succeed in dealing with Sung Hee. Bo Young enjoys success by taking revenge on Sung Hee and Do Min but is attacked by Jun Ho. Due to Jun Ho, Bo Young becomes a slave again.

A film depicting the revenge of a couple who are fooled by the physical pleasures of a couple at work.

Su-mi, who is tired of Ki-seok's perverted sex life, decides to divorce her and rips the divorce papers when Ki-seok, who has won the lottery consecutively, appears. In order to get Ki-seok's money, Su-mi invites Seong-ho, who had cheated on her in the past, into her house. Seong-ho also invites Chae-yeon, a flower snake from Sinsa-dong, who is delighted with money, and launches a huge scam. Chae-yeon, Seong-ho, and Su-mi deceive each other in order to win Ki-seok's money. But the counterattack of the formidable Ki-seok is also getting stronger...

Hee-soo goes to her ‘rich lover Seok-ho’ while her husbands is on a business trip. Her younger brother Hee-yeong and her husband Jeong-tae are also together. Hee-soo introduces Seok-heo to Hee-yeong and Jeong-tae, and Seok-ho falls in love with Hee-yeoung at first sight. As Seok-ho tries to avoid Hee-soo’s eyes, and meet with Hee-yeong’s eyes instead, he decides to take advantage of Jeong-tae. Jeong-tae who dreamed of having sex with Hee-soo, seduces her, and while Hee-soo and Jeong-tae were playing, Seok-ho wins and took Hee-yeong as price. These people who are complicatedly intertwined, are at a crossroads to choose whether to disperse or become a new family.

Jin-ah sees Tae-yeong at her boyfriend Cheol-min's shop, and falls in love with his handsome face. To meet Tae-yeong, Jin-ah invites him and Cheol-min to her house. Cheol-min finds out that Jin-ah likes Tae-yeong, and he is very jealous. In the end, Tae-yeong leaves and heads to Jin-ah's house alone.

An erotic film depicting sexual behavior that takes place when a couple who knows their past appears in front of a couple living in the countryside hiding their past.

Soo-hyeok and Yeon-ji are faithful couples. Although Soo-hyeok is faithful during the day, he wants to be rough at night, however, Yeon-ji is still faithful at night. Su-hyuk uses his junior In-seop to turn Yeon-ji into a hot woman. In-seop manipulates Yu-ri to defile Yeon-ji, but falls in love with Yeon-ji and covets her. Soo-hyeok is angry that Yeon-ji and In-seop slept. Soo-hyeok covets Yu-ri for revenge, but gets caught by his wife Yeon-ji, who declares her union with Yu-ri. Soo-hyeok must reveal that Yu-ri is actually bisexual, not gay, to protect Yeon-ji. Soo-hyeok shows Yeon-ji a scene where In-seop and Yu-ri have sex. However, Yu-ri and In-seop's sex is not good enough. In-seop forcibly scurries Yu-ri at Soo-hyeok's order, and eventually runs to Yeon-ji when he finds out that Yeon-ji is disappointed in her. The two find a new gender identity.

Jeong-ho fights with Ye-rin. He happened to meet Eun-jeong, the wife of a senior who passed away. He tried to win Eun-jeong's heart, who was once his first love, but she has no intentions to date another man because of her husband. Instead, Ji-hye who lives with Eun-jeong falls in love with Jeong-ho. Ji-hye is trying to match loner Eun-jeong with the junior of his husband, Joon-hyeok, but is uncomfortable. Will Jeong-ho be able to love Eun-jeong?

Jeong-hye and Ji-hwan are a couple who have been living a wandering life due to debt. Ji-hwan makes a secret deal with Man-soo, the new owner of their previous house. The couple can stay at Man-soo's house, but in exchange, Ji-hwan must have sex with Man-soo's wife, Tae-hee. Man-soo also ends up taunting Jeong-hye secretly, using her unemployed husband as bait. Later, Jeong-hye and Ji-hwan eventually find out that they have been secretly played by the couple and get frustrated. In the end, Man-soo and Tae-hee propose a new offer to the couple.

Two beautiful girls run for company secretary position, both girls try their best to please their boss...