Go-ni tries his best to worship Pyung Gyung-jang as his teacher, and promises to stop gambling after winning his money back. But people's desires are endless.

Hee-ran was a karaoke mistress when she first met Se-min through a marriage consultant company. He suggests they should have a contract marriage; she would get paid every month for being his wife and Se-gyu's mother. Hee-ran thinks this is a good deal but unlike her thoughts, being married is boring. Se-min only needs her at night and Se-gyu has a crush on Hee-ran who is like an older sister but hides it by being nasty. One day, Hee-ran meets Se-min's friend Tae-yeong and falls for him. In the end, Hee-ran and Se-min break up...

Ho-jae has the building, the house, the fancy car that his parents left to him to manage as they live abroad for business. Ho-Jae was born with a silver spoon in his mouth. Ho-jae who pretends to be a dutiful son in front of his parents. He enjoys casual sex with women. For Ho-jae who had been living a life all his friends were envious of, there is a sudden wrench in the works. Did he play his con too well? His mother asks his aunt to introduce him to some nice girls. A sexy aunt and a devious nephew... their dangerous cohabitation starts!

In-hee, a skin care specialist and Nam-hyeok met in high school and got married early. Nam-hyeok has inferiority complex from not being getting able to get a job and is tired of the same old life. Feeling a sense of shame, Nam-hyeok goes into a cafe one day and pretends to be the section head of a major company. He visits the place everyday to be comforted by the female owner Joo-yeon. Bong-goo Joo-yeon's little brother who doesn't have a real job and lives off the pocket money she gives him for running her errands. He watches Mi-ae's eating channel and falls for her. Graduate school teaching assistant Ji-hoon maintains a sexual partner relationship with Mi-ae, but she is serious about him. Meanwhile, Ji-hoon follows Mi-ae to the skin care specialist and meets In-hee then falls for her right away...

Jin-hee (Yoon Seol-hee) meets married man Min-ki (Hong Seok-yeon) on an online meeting site to make a living for herself and her incompetent boyfriend. She meets him for money but they slowly fall into something more than just a physical relationship. One day, a rumor spreads that she's a whore and breaks up with her boyfriend. With the betrayal for her boyfriend and love for Min-ki growing deeper, Jin-hee decides to put everything in the past and go abroad. The day before she leaves, she goes to meet Min-ki for the last time...

Ji-eun has a bad impression of men due to bad experiences with her father but her mom Hyeon-ah convinces her into getting tuition from an art student. Jeong-woo is surprised at how cold she is towards him but at the same time, there's tension between the two. Meanwhile, Hyeon-ah, who is afraid something might happen between the two, calls Jeong-woo in and suggests something but he confesses his love for Hyeon-ah instead. They have fallen into an unappropriate relationship and Ji-eun decides to give her mom a surprise.

A mute hit-man vows to kill only the rude, and save up enough money for tongue surgery.

Two married women start to have an affair with men they met online. However, one of them gets caught, and the other feels disappointed at the man.

Cho Chun-sam and Noh Dae-gyu, now both in their thirties, are old friends who went to the same elementary school. In their school days, Chun-sam was always the ambitious class president, while Dae-gyu had to settle for a role as vice president. Twenty years later their roles are reversed: Chun-sam is now a humble farmer who has assumed the post of village chief in his hometown, while Dae-gyu is the newly elected county magistrate. At first, Chun-sam asks his old friend for favours regarding the development of his village, but these requests are turned down. Later, when Dae-gyu proposes building a nuclear waste disposal facility in the county, Chun-sam leads demonstrations against the plan, turning old friends into bitter rivals.

In his 10th year at college, Eun-sik is part of a nearly ideal campus couple with swimming champ Kyung-ah. While their three-year relationship is solid, Eun-sik struggles to get to the next level with Kyung-ah; despite the help and support of his friends, he can't manage to get her into bed.