Love Bites (2001)

Antonio (Guillaume Canet) makes his living off others, sleeping at his friend's health club, borrowing money, and crashing parties. But he finds himself working overtime when he's hired by a wealthy club owner Von Bulow (Jean-Marie Winling) hires him to track down the elusive Jordan (Orazio Massaro). All Antonio knows is that Jordan lives by the night, but he soon finds that information about Jordan doesn't come without a price.