Nishimura Masao, 52, is a serial rapist. Three years have passed since he finished his sentence, but the demon that dwells within this man shows no sign of going away. "Ahh... I want to do it, I want to do it to women, by force," Nishimura roams the streets like a sleepwalker. Suddenly, his eye is caught by a "Vacant" sign at an apartment building. He goes to check out the area on foot, and the next day, he finds Nishimura there, disguised as a contractor. Yes, this apartment building has been chosen as his 'hunting ground'... (From Episode 1)
