Nineteen-year-old, Jin-goo enjoys an erotic moment to himself while thinking about his pretty English tutor. Then one day, he is caught in the middle of an embarrassing moment and becomes awkward with her. However, this becomes an opportunity and she starts teaching him sex. Their replationship becomes an uncontrollable romance. However, she quits the tutoring and the relationship to get married. Time goes on and Jin-goo is a grown up. He's used to thoughtless sex. However, his partner of benefit gets pregnant so he meets his future-mother-in-law to talk about marriage. However, she's so beautiful and sexy. He moves in with the in-laws but soon breaks out of the marrige due to his wife's fling. The mother-in-law doesn't know how to make it up to him for what her daughter has done. Jin-goo suggests something dangerous...
Joo In-cheol
as Jin-goo (진구)
Lee Eun-mi
as Joo-hee (주희)
Yeon Hee
as Hyun-ah (현아)
Yeon Hee
as Hwa-young (화영)
Jae Hoon Jeong
as Kim Chan-jang
Jeong Bong-jae
as Kitchen Assistant
Kim Geun-Young
as Jin-goo's Mom
Kim Tae-Heon
as Man Having an Affair
Park Yoon-nam
as Housekeeper
Kim Ha-yul
as 1 Year Old Jee-hyun
김지우
as 3 Years Old Jee-hyun
Kong Ja-kwan
as Photographer
