The Mission
Triad boss Lung, who has just escaped being killed in an assassination attempt hires the killers Curtis, James, Mike, Roy and Shin for his protection.
Starring Anthony Wong, Francis Ng, Jackie Lui Chung-Yin, Roy Cheung, Lam Suet, Simon Yam, Wong Tin-Lam, Eddy Ko, Elaine Eca Da Silva, Keiji Sato
Watch "The Mission" from streaming services Kanopy, Amazon released in 1999. It's a crime and drama movie, and has a rating of 7.5 out of 10 from Imdb which is usually fine for this kind of movie.