It is the story of two con men competing to swindle an American heiress out of $50,000. Caine plays the refined Lawrence Jamieson, who believes in conning corrupt, rich people out of their money so he can spend it on culture and a lavish lifestyle. Martin plays his loud, cocky American rival, Freddy Benson, who believes in conning just about anyone in order to get a free meal. It takes place in Beaumont-sur-Mer in the French Riviera.
The scene I've chosen is known as 'the whip scene', and it never fails to have me in stitches every time I watch it. I'm sure you'll have no trouble understanding it, but just in case, I also give you the Spanish version from Un Par de Seductores: