Sei hanzai sôsa: Bôkan no mashu

Original title: 性犯罪捜査 暴姦の魔手

Rookie detective Saki and her partner, veteran detective Hirai, are in charge of a case involving the confinement and rape of young women. The only clue is a toy necklace left at the scene. They also discover that the victims share the same date of birth. A former rapist then comes into the picture, but...