Mi-yeong is a former police squad officer who starts working at the Public Service Center after her marriage. Ji-hye is Mi-yeong's sister-in-law as well as a rookie policewoman who works at the same center. They team up to solve the case of a young woman committing suicide and they discover a network of young men who drug, rape and film women and then upload the videos of rape on the internet for money. As the higher ranking police officers stay idle and refuse to help, the two women, with the assistance of a female hacker, start to round up the gang on their own accord.