Carry On Pickpocket

Carry On Pickpocket is a 1982 Hong Kong action comedy film directed by Sammo Hung, whom also stars in it alongside Frankie Chan, Deanie Ip and Richard Ng. Hung, along with his stunt team, the Sammo Hung Stuntmens Association, Yuen Biao, Lam Chingying and Billy Chan served as action directors. Hung received the Best Actor award at the 2nd Hong Kong Film Awards and shared it with Karl Maka for Aces Go Places.

Later, troubled cop Ng Heungkan Richard Ng runs into Rice Pot and Chimney. Finding out that they are pickpockets, Ng becomes desperate to arrest them.After successfully getting the diamonds, Ling has them pretend to give Chow the diamonds in order to arrest Chow. However, the diamond that Ling gives them are fake and the three of them become suspicious of Ling. Later, a big fight takes place on Chows ship and a final fight with Rice Pot against one of Shings henchmen Dick Wei. ........

Source: Wikipedia