Slaughter in Xian / Xian sha lu (1987)

The plot of Slaughter in Xian concerns the friendship between a thief turned Chinese opera performer, played by Chow Lung, and an incorruptible police officer, played by Tung Chi Wa. When a delivery of machine guns is hijacked and stolen by a group of not so incorruptible police officers, led by Ku Wing Chuen, who are in collaboration with a pair of gangsters played by Chin Siu Kin and Do Yuk Ming, they try to get rid of Chi Wa so that they can pin the crime on Lung.