Road to Ruin (1991)

A rich American playboy falls for a woman in Paris but before tying the knot, he decides to test her true motives by arranging a scheme whereby he temporarily writes off his millions to a business partner. When the gal proves her love is for real, the playboy finds that the partner is out to swindle him out of the bucks, so the two lovers must outsmart him to regain the dough. ~ All Movie Guide