Wasabi (2001)

When Hubert's not playing golf he's putting people in hospital. His boss doesn't like that much because Hubert is a cop. When he's called to Japan on a personal matter he brings his "talents" with him. You can guess the rest.
If you enjoyed the TAXI series of films you'll likely enjoy this, they share the same writer (Luc Besson) and the same director (Gérard Krawczyk) of numbers II, III and IV. They're so similar that a team-up would be possible. Make it so, Besson. I'll watch it.

3 off the plane, into the shit out of 5