You Jin-sun

Na-young becomes a prostitute when her heart is broken and then she is sexually violated by Jung-han, a street thug.

A deep secret from Kim Jin-woo's past is slowly eating away at him and making him act more and more irrationally. He loses his position as a philosophy professor due to his erratic behavior. He and his wife turn to a psychiatrist to get to the root of the problem.

Yeong-chun becomes a gigolo after the woman he thought he loved left him. The reason she left was because Yeong-chun lacked money. He jumps at a chance to make quite a bit of money off a middle-aged woman, but what must he do in return?

Mi-kyeong is kidnapped while travelling and taken to an island near Busan where she is forced to work as a prostitute. Her attempts to escape result in being tortured at the hands of the cruel madame. Her only hope lies in a young customer named Jae-hyeon.

Pil-gu is a high school athlete and the leader of an underground club called Shock. Along with the Shocks, the judo club and a girls' club called Sexy Wave led by Hee-jeong cause plenty of trouble and mayhem in the school. The arrival of a pretty young teacher named Yoo Yuna gets the students in gear for another big scheme. Each club sets up a strategy to lure the new teacher. After beating numerous contenders, Pil-gu approaches Yuna.

Lee Hyun, is left with her father's debts to the mob when he dies. Only a college student with little choice, she pays the debt by working as a nightclub hostess for the mob. Just before paying off the debt she takes the risk and escapes. Hyun enrolls at a job training center where she meets Yumi, Seora and Hyemin; from similar situations. They all graduate together but with no place to go, Hyemin takes them to an East Coast nightclub. There, Hyun meets Sang Won and finds herself falling in love. Ashamed of her background, Hyun but refuses to start a relationship. Will she reveal her past to him or work at the nightclub? Will Yumi reunite with her child or find others to help?