Tenth film in the 10 film series titled The New Option Hon Kin, head of the police's Organized Crime Division, has been pushed to the edge by a triad boss intent on killing him. In a fit of fury, Hon embarks on a violent rampage that ends tragically. With the very existence of the Special Duty Unit(SDU) now in jeopardy because of the aftermath, Commander Stone (Michael Wong) must make up his mind and decide on SDU's future.
