Victor Vautier is incorrigible: hes in constant motion, working several cons at once, using different names and changing disguises. Hes charming and outrageous, incapable of uttering a sentence that isnt embellished or an outright lie. His life goal is to make enough money to build a sea wall to protect Mont-Saint-Michel. Charlotte, a parole officer, shows up: shes young and seems taken in by Victor. He discovers she lives above the Senlus Museum, where her parents are the curators. With two pals he decides to steal a priceless El Greco triptych and then ransom it back to the cultural ministry. What will Charlotte do when she realizes hes used her to make a fortune?