After her mother was killed during a mission twenty years ago in Thailand, Fa decides to join the police academy in Hong Kong where she meets 5 new friends played by Anita Chui, Cathryn Lee, Mandy Ho, Joyce Cheng, and Jeana Ho. Failing to graduate the six women are given the opportunity to join a formerly disbanded all-female elite force to hunt down terrorist Gu Zhi Jin, the man who killed Fa's
