Incognito(1997)

Harry Donovan is a master in the art of deception... trapped in a lie so perfect even the truth can't save him.

Harry Donovan is an art forger who paints fake Rembrandt picture for $500,000. The girl he meets and gets into bed with in Paris, Marieke, turns out to be an arts expert Harry's clients are using to check the counterfeit picture he painted.