입대 3일 전. 군대를 안 갈 수 없다면 “도장”이라도 제대로 찍어야 한다는 일념으로 여기저기 들이대보는 ‘승욱’. 하지만 섹시한 과 선배 ‘소윤’도, 소개팅으로 만난 청순녀 ‘일홍’도 도무지 쉽게 넘어오지 않는다. 마침내 다가온 입영전야. 초조해진 ‘승욱’은 친구들의 도움을 받아 무슨 수를 써서라도 입대 전에 두 여자와 함께 하는 화끈한 밤을 보내겠다고 결심한다. 피 끓는 청춘들의 ‘도장’ 찍기 프로젝트가 지금 시작한다.
Min-joong and Ga-hee are a campus couple and friends with Geun-tae. Geun-tae has a crush on Ga-hee and asks her out to dinner to tell her how he feels about her. Ga-hee knows how he feels but she tells him she is in love with Min-joong and doesn't acknowledge his feelings for her. Geun-tae isn't happy with how Min-joong treats Ga-hee and feels bad for her. So Geun-tae comes u
Two women start living with a man who lives alone.The women introduce themselves as sisters looking for their long lost father and they start to seduce the man. Actually, these women are a serial killing duo who only target men who live alone. In the end, the man loses his life. While they are celebrating, a boy calling himself the man's brother, appears in front of them one day. He looks and sounds just like the man but has a completely different personality and he's nothing like the two women has ever seen before.