Akai, a psychologist, is approached by Haruka, a beautiful but morose young woman seeking help for her depression. Akai uses hypnosis to treat her, and while under its effects she begins to reveal a disturbing secret. As a young girl, she was kidnapped and held captive by a man named Sumikawa. But over time her feelings for Sumikawa began to transform, and the result of her kidnapping is something neither of them could foresee.