야쿠자에게 빚을 진 사람들을 감금하고 강제 노동을 시키는 도쿄의 한 공장.
공장에 감금되어 있는 사람들은 그들이 진 빚만큼 일을 해야 빠져나갈 수 있다.
하지만 언제 나갈 수 있는지 알 수 없는 공장. 이 공장의 실체를 취재하던 코지가 실종되고, 그를 찾기 위해 나츠미가 공장에 들어간다. 공장에 납치 감금을 당한 나츠미는 강제 노동을 하며, 간수들에게 학대와 강간을 당하게 된다.
1st Episode: Junichi's father, Yoshiyuki is a professor of the university that Junichi goes to. Yoshiyuki has remained single since Junichi's mother died 10 years ago. One day, Junichi learns that his father is getting remarried; surprisingly his stepmother turns out to be Aya, the classmate he secretly admires. How will their relationship become? 2nd Episode: Naoki and Maki are non-blood-related siblings who study in the same university. When undisciplined Naoki is retained due to poor academic result, Maki becomes a senior of her brother. Since then, Maki begins to act harshly to her brother in order to help him get over his psychological barrier to learning. However, being together day and night, Naoki finds himself in love with Maki gradually..
