PTU
Over the course of one night, a team of cops frantically search for their colleague's missing gun.
Starring Simon Yam, Lam Suet, Ruby Wong, Raymond Wong Ho-Yin, Maggie Shiu, Wong Wa-Wo, Eddy Ko, Lo Hoi-pang, Wong Tin-Lam, Jerome Fung
Watch "PTU" on Amazon released in 2003. It's a crime and thriller movie, and has a rating of 7 out of 10 from Imdb which is usually fine for this kind of movie, and is currently only available for purchase or rent.