Yui, an intelligent and proud female lawyer, is assigned to defend a rape case that occurred at an abandoned factory. Driven by a sense of justice, she visits the crime scene, where she is suddenly attacked by a vagrant. Despite her efforts to build a solid case, she becomes entangled in unexpected trouble and incurs the resentment of her client's husband. He devises a malicious plan to use Yui as bait to lure out the rapist. As Yui desperately seeks help, she is subjected to relentless sexual torture and rape, gradually driven into a hopeless, inescapable situation.