Ja-hyeok, who was born into a family of doctors and is forced to go to medical school, failed the entrance exam and is trying again. Mi-yeon, Ja-hyeok's stepmother, who is married to his father, goes on their honeymoon. While the couple is away, Mi-yeon's younger sister, who is the same age as Ja-hyeok, decides to tutor him.
Min-joon and Eun-seo are newlyweds who have been married for a month. Min-joon's younger brother suddenly returns from the United States and comes to live with the couple. Eun-seo falls in love with her handsome, muscular brother-in-law, so much so that she secretly masturbates and cannot sleep at night because of her desire to have her brother-in-law.
Yoo-ra succeeded in finding a job after a difficult time. Despite her stunning beauty, her family's financial situation is difficult. Her male assistant manager knows of her difficult situation, so he asks for her body with money as bait. On the other hand, Hye-seon, the female manager of the same company, seduces the handsome new employee, Min-soo. Employees enjoy the world of animals in the workplace without knowing each other.
Hyeon-soo is being bullied at work and is living a life of no joy. Suddenly, he is promoted to vice president of the company due to a drunken resignation. The female employees run to Hyeon-soo to look good, and Hyeon-soo begins to call his female employees one by one to play the role of secretary, saying that they will be working behind the scenes.
Miss Kim wakes up after sleeping late. She quickly gets dressed and goes to work. Arriving at her office, she is, as expected, scolded by her manager. However, her section chief accidentally looks at her skirt and notices that she is wearing no panties, so he starts flirting with her.
Seong-hee works at a hair salon for a while at the request of a friend. Her friend suggests that she can make a lot of money if she provides her sex services in addition. Seong-hee, who was hesitant at first, can't control her boiling lust regarding sex with men she doesn't know...
Yeong-bin succeeded in getting a job. He is excited and buys food for his friends. Na-yeong is going to give a congratulatory gift to Yeong-bin for getting a job. Meanwhile, Ji-hee and Yeong-bin meets separately, leaving Na-yeong and Min-soo behind. Na-yeong, who was on a date, calls Ji-hee and Yeong-bin and everyone gathers again to congratulate Min-soo. The fun continues, and while drinking together, they start to open their eyes to each other's love... The love between two men and women, no one knows, is just beginning.
Mi-hee left alone after divorcing her husband. Needing a place to stay for a while, she stays at Soo-yeon's house, her best friend, for a while. Thanks to Soo-yeon's husband, Geun-ho, who treats her warmly there, she stays comfortably. One evening, we all have a drink asking for goodbye... Geun-ho gets drunk and goes to Mi-hee's room, not his wife, and tries to hug her...
Typhoon and Taeyang brothers are sharing. The visitor today is Jessica from LA. Applying for an idol audition is her purpose. She is so cheerful and open to the burden. The fatal temptation of a strange woman who appeared one day and the fate of the brothers shaking in front of her.
Min-ji who just turned 20, lives on the street day by day, doing a part-time job she stumbled upon after running away because of a conflict with her stepfather. Then one day, Min-ji gets to know a newlywed couple, Mary and Soo-hyeok. The couple clothed Min-ji in warmth like no one else in the world, and as they took care of her in their different ways, Min-ji makes a statement of harsh determination.
Joo-yeon and Seok-jun are preparing to remarry. Jung-yeon's daughter, Yoon-jung and Seok-jun's son, Jung-woo, are also in love. Yoon Jung and Jung Woo also promised marriage. Jung-woo falls in love with Yoon Jung's mother. I worry about Yoon Jung and Juyeon. Jeongwoo goes to the main role and confesses, even the affair is done. Seok-joon becomes estranged from Min-jung, the daughter of Joon-on. Joo-yeon and Seok-jun become friends with each other's son and daughter. Naturally postpone marriage.
A rumour spread out all over the neighborhood. Yeon-joo, a beautiful, entertaining SNS celebrity, and also a woodworker is being watched and admired by Do-shik. He decides to ask her for a date one weekend. Do-shik appeared and grasped Yeon-joo without her noticing him. Meanwhile, the clueless, naïve, and honest bookkeeper of the carpenter shop is keeping two huge secrets no one would even thought of. Finally, the great secret of Yeon-joo and Tae-ju is revealed, turning the tables around.
Seok-yeong has been living with his father ever since his parents got divorced when he was young. His father, Joong-nam, would always introduce his new girlfriends to Seok-yeong, but Seok-yeong didn't like running into strangers in his house. At the same time, Seok-yeong feels more comfortable with women older than him. One day, Joong-nam says he's going to marry his new girlfriend, Gyeo-won. At a family dinner, Seok-yeong feels attracted to Gyeo-won's sister, Gyeo-woon, but he has to call her 'aunt'
The special secret to a successful noraebang is revealed! The noraebang where Hee-jin works is for customers who want a call-girl. When they start turning around and leaving, Hee-jin decides to become a call-girl herself and even brings her friend Seong-hee in. Rumors of Hee-jin and Seong-hee's beauty and service quickly spread and more customers come. When they've made enough money, Hee-jin and Seong-hee decide to open their own noraebang and display a hidden special service.
Tae-soo is getting ready for a job in a single room that isn't soundproof and ends up calling his university senior, Woo-seong. Woo-seong recently hit the jackpot with stocks and is running a share-house near Seoul. Tae-soo explains his situation to Woo-seong and Woo-seong welcomes him to his home. When he arrives, he sees a naked woman and mistakes Bong-soon for his senior's sexy wife...
Seokjin is a boss, but he follows Jaejin, who takes care of himself like a neighbor. Jaejin is also a fan of such Seokjin. Jaejin is a sexless couple, so Enjin is newly married. However, Seokjin, who loves breasts, is also dissatisfied with his wife who does not show her breasts during sex. While Jaejin leaves for a moment, Sujin, the wife of Jaejin, comes to Seokjin's eyes, but Sujin keeps her eyes on Sujin's chest full of volume with deep and beautiful goals. Jaejin and Seokjin drink at Seokjin's house after work. Jae-jin, who has a thirst or goes out to drink water, sees Jeong-hee sleeping in the kitchen. Seok-jin, who likes breasts, and Jae-jin, who likes hips, have a secret time with their wife.
Darkness falls on the city and their time begins again. Karaoke helpers who entrust themselves to the black Starex and become lovers of men who are weary of the world. Their second story, which shines brighter than the twinkling neon signs on the drunken night street. Jung-in, who has started working again, vows that she will no longer be dragged around by her sidewalk girls. However, contrary to her determination, her heart is shaken by the sad stories of the girls. She eventually decides to get the girls who are being exploited under her boss.
A popular officetel girl named Joo-hee trades sex for money. She used to be the best, but she has stopped getting calls. Her friend, Ji-yeong, gets busy with many appointments. Joo-hee is jealous of Ji-yeong, until she hears from an old client that Ji-yeong is providing shocking services. Furious over the fact that Ji-yeong has stolen her clients, they start a service competition. The clients are going nuts over this service, but Joo-hee and Ji-yeong tire out and agree to only do the same things. Then they suddenly become idle, without any calls, until they hear that Yeong-joo from the same officetel has moved to a rival officetel and is providing shocking services. Joo-hee and Ji-yeong decide to team up and get back their clients. They offer 2:1 services and the clients won't stop coming...
A reporter who's working on a special report visits a group of college girls who have bizarre jobs. The first girl has a job ‘reviewing sex toys'. Park Seon-mi uses sex toys herself and writes reviews about the pros and cons, as well as points for improvement. The second girl is a hair model for "hair-down-there". Ah-reum sometimes provides sex to the ‘hair designer', too. The third girl's job is giving sexual services to the handicapped. Seol-yeong finds value in the work she does as a White Hand, as they call it in Japan. The fourth girl, Eun-bit, is a private tutor's assistant, where she lets the lecturer touch her body in front of the students to show how a woman's body responds to different touches. The last and fifth girl is assistant to a urologist. She helps ejaculate semen, and she's very fond of her job. The reporter anticipates future college girls' jobs.
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...