Oh Ji-hyun

Sang-Woo's house, Byeongjin, the younger brother of the family, is about to live for a month. Wanjin pretends to see Sang-Woo's lover, Jinju. Sang-woo finds out that they are dating for a while, and Sang-woo is complicated. The difference is Sangwoo, asking Jinju about her relationship with Wanjin. Her younger brother, Wanjin, doesn't even know Sang-woo's situation, and even invites girlfriend Seol-young to Sang-woo's house. While Wanjin goes out, Sang-woo twists Seol-young with revenge on Wan-jin. It does not come in. While Sang-woo and Seol-young are getting deeper between them, Jin-ju is coming home to reconcile with Sang-woo. So, who will she choose between her girlfriend Jin-ju and her sister Seol-young?

Jang-hyeon is in the leasing business and he lives with his son Byeong-cheol. One day he gets a call from his daughter-in-law in the States that she's coming to Korea for a while and will be staying at Jang-hyeon's house. Jang-hyeon goes to pick her up from the airport and Byeong-cheol calls his girlfriend for some mature fun, but the daughter-in-law walks in.

Jung-sik and Ji-young got married after a hot relationship, but it has cooled down. One day, Yoon-soo and Sun-young move in next door. They have been married for 5 years, but still look like they're madly in love. Ji-young talks to them about her problems and they decide to help her sex life.

Eun-joo is always horny and her hobby is to post pictures of herself online and seduce men. One day, her friend's boyfriend Sung-jin has no place to stay moves into their house. While they live together, Sung-jin realizes that Eun-joo is the woman he met online and makes a move on her everytime Young-joo is not there...

Sang Woo and his sibling Wan Jin come to his home with a drunk new employee In-hye after a company dinner. In Hye can't get up the next day. Sang Woo asks his younger brother Wan Jin for help and goes to work first. In Hye, who woke up late, heard about yesterday's situation from Wan-jin and went to take a shower to go to work, but she collapsed because she felt dizzy.

Hwa Young takes out her best clothes and visits the lawyer's office nearby. Hwa Young is having a hard time because she is being stalked by a man who was once a lover. Tae Hyun, a lawyer with a playboy temperament, watches such Hwa Young with interest.

The secret story of the sexiest and youthful sisters that can not be revealed! The confidential secret of the boyfriends who reveal is revealed. He is a sister. Sukyoung is between Sangwoo and Jinhee and loving each other. The two of them talk about their lover, and when they accidentally find out that their boyfriends are high school alumni, they ask about her sister's boyfriend ...