She's sensitive because she's suffering from sexual excitement syndrome, which is sensitive to small stimuli. She has been receiving regular counseling and treatment from her psychiatrist, "Stabilizer," to cure her illness. But her illness, which can't be cured easily, causes her to be in a difficult situation, burning hot even when she's at work...
After graduating from college, Minji, whose goal is to meet and marry a man with a lot of money rather than a job, spends more time in the club than in the library and lives every day. One day, Min-ji pretends to know a man he doesn't know at a convenience store . Tae-soo's father, who failed in business, left himself and his mother and fled, and the mother who had struggled to build a home alone died of cancer three years ago. Min-ji is starting to live together because Tae-soo is now unhappy, saying that she is living hard at the Gosiwon in Seoul alone.
Third time repeater Sang-goo needs special tutoring for his upcoming college entrance test. His father puts his son away in a pension together with a beautiful female teacher in hopes of motivating him.
Joon-soo was dumped suddenly by his girlfriend Sung-eun and is surprised by his father’s news of re-marriage. What’s even more surprising is that his step-mother to be in his ex-girlfriend Sung-eun. This is unacceptable and Joon-soo is in pain until a mysterious woman named Minki appears in front of him. She knows about him and his real mother. She tells him good things will happen to him and leaves after giving him a frame with a picture of a cat. A sexy woman appears the next day and comforts him, making his step-mother jealous. Will Joon-soo get over his ex-girlfriend? Or will they get back together.
Jung-sik
Jung-sik helps out a friend and finds himself attracted to his friend's mother. After being caught steeling the mother's underwear, he becomes the victim of the mother's seduction.
Jung-sik and Dae-soo are twenty-year-old students. They haven't yet had their first time and all they talk about is sex. Since they are unable to seal the deal, they watch porn instead. One day, Min-jung, Jung-sik's mother's friend, moves in with them to stay until her divorce settles. She will make dreams come true.