Matsushima is outside the prison and on the run from the police, wanted for breaking out of prison and murder. On her trail is detective Kondo (Mikio Narita). She takes refuge with a woman who has a brother with a mental disability. After the brother attempts to sexually assault Matsushima, she cuts him with a knife as a warning. The woman ultimately reveals her brother frequently takes advantage of her. Both the police and an ex-prison mate of Matsushima's pursue her.