Mimi started to gamble, dreaming of turning her life around. One night, she loses her family in front of her eyes in an unknown attack from an unidentified assailant.

Lonely boarding house women! Any man who goes in there can't come out in one piece! Boarding house owner Hyeon-jeong and tenants Seon-mi and Joo-hee have a rule; boyfriends are allowed to visit, but they can't sleep together! One day, Joo-hee brings in her boyfriend, Jeong-sik, and they secretly spend a hot night together. The next morning, Jeong-sik tries to leave quietly, but gets caught by Hyeon-jeong. She tells him that he broke the rules and he needs to be punished, so she comes on to him.

Sung-joo and Joo-hee moved into a new house next to Jong-gyu and Min-joo. Joo-hee gives out ddeok to tell them they've moved in next door. Jong-gyu falls in love with Joo-hee at once and thinks about having sex with her. Meanwhile, Sung-joo goes next door to borrow a tool and he falls for Min-joo. The husbands are attracted to each others' wives and soon they cross the line.

Jung-suk's wife runs a boarding house and he helps by cooking, doing laundry, and cleaning. He's under his wife's control, but he doesn't give up his dream of becoming an actor and eventually passes an audition. Sun-mi and Hyun-jung from the boarding house overhear him practice and mistake him for a wealthy man. They seduce him for his money and he falls for them...

A room salon isn't doing well. There's only Min-joo on duty. One day, a beautiful girl called Joo-hee comes looking for a job and Min-joo and her boss gets her to work as a call-girl. The store soon becomes famous for its luxurious treatment and service and sales increase. The owner suggests they move up to Gangnam and they all get excited...

Sexy female college students get part-time jobs at a room salon and provide very special services.