Undercover investigator 'Yuko Kuramachi'. She looks like an ordinary middle-aged woman, but in reality, she is a skilled investigator who has solved numerous heinous crimes. Her next target is the 'illegal raw meat trafficking organization.' No matter how small-time the criminals are, she never goes easy on them... Yuko successfully infiltrates the organization's mansion by disguising herself as a maid. Then, through a brutal interrogation of the lowest-ranking man in the organization, Ichikawa, she finally learns the whereabouts of the raw meat...
