Bangkok Dangerous

Bangkok Dangerous is a movie starring Nicolas Cage, Charlie Yeung, and Shahkrit Yamnarm. A hitman who's in Bangkok to pull off a series of jobs violates his personal code when he falls for a local woman and bonds with his errand boy.
When carrying out a hit, assassin Joe always makes use of the knowledge of the local population. On arriving in Bangkok, Joe meets street kid Kong and he becomes his primary aide. But when Kong is nearly killed, he asks Joe to train him up in the deadly arts and unwittingly becomes a target of a band of killers.