A female spy infiltrates a criminal organization to bring down a counterfeiting syndicate. Meanwhile, a female investigator chooses to surrender herself to the same evil group in pursuit of the killer who assassinated her father. The female investigator, embedded within the organization, seizes the opportunity to capture the spy. However, the spy is surrounded by the gang's men and, despite her resistance, is sexually assaulted and brutally raped. When her comrade arrives to rescue her, the tables turn—the female investigator is captured and tortured with a vibrator. Eventually, the spy and the investigator learn each other's true identities, leading to their long-awaited, climactic showdown.