Ju Yeon is a young girl who just discovered her homosexuality. She's looking for other women like her on the Internet for a movie she wants to make and that's how she meets Yeo Gyeong, another lesbian girl who's in the same school. The movie also follows Han Na, an office worker who lives with her girlfriend Yeong Eun, who will feel betrayed by her partner's pregnancy, and Myeong Hee and Hyang Ja, owners of a lesbian bar who will face the return of Hyang Ja's estranged daughter.

Jung-Woo (Kim Sung-Su) is a neurosurgeon and also works in bioengineering research. He is married, but has an ongoing relationship with Yoo-Gyeong (Han Go-Eun). She is a doctor and stands by Jung-Woo. Yoo-Gyeong has a mysterious accident one day and her hand is cut off in the accident. Thanks to Jung-Woo's quick thinking, her hand is reattached successfully with surgery. Yoo-Gyeong's health improves after the surgery, but bizarre events take place around her constantly.

Do-chul is a boxer who never wins a game. While trying to make some money, he gets involved with Hong-ki, a small-time crook. They somehow make friends and hang around together, but their views toward life and the world are almost opposite.

Jang Choon-dong is a traffic officer who aspires to become a homicide detective. He is assigned to go undercover to infiltrate a gangster network. Meanwhile, Lee Joong-dae, a member of Kwang-seob's gang, goes undercover himself by joining the police force. Joong-dae tries hard to gain favor with his squad leader in an effort to expose Choon-dong's identity.