The original 2003 "PTU" won Simon Yam "Best Actor" at the Hong Kong Golden Bauhinia Awards. Maggie Siu was crowned "Best Actress Award". So it's no surprise that the two team up again for the sequel.

Actress Maggie Siu said, "There is a lot of pressure, as I am the only female policeman in the movie. But when you complete those tough acts, you just feel happy and forget all about difficulties. "

The 2003 " PTU " was To's long overdue return to the crime genre. It's considered one of his best. Simon Yam plays Mike, the leader of a Police Tactical Unit. His friend, Detective Lo, loses his gun, which carries serious consequences. Mike offers to help Lo find the gun, with the coming dawn as their deadline.