The eccentric millionaire Cassidy unexpectedly invites art critic James Figueras to his Lake Como estate. He has a plan for him. James shows up with the beautiful and mysterious Berenice. They are both experiencing a passionate romance and a joint trip is a great opportunity for them to get to know each other better. Over dinner, Cassidy makes James an offer he can’t refuse. He wants him to steal a special painting for him, which he obsessively wants, promising him fame and a career in return.