Jean and her sidekick Dom are quietly navigating a blossoming but secret romance, and with her growing reputation as a crimesolving expert, Jean teams up with Police Chief Inspector André Caron to unravel a series of mysteries. Antoine Lefevre, the CEO of a major company, goes missing. Jeremy and Judith find his body in a dinghy while on a jet ski ride. There's a bag is tied over his head, and two rare coins placed on his eyes. After he dies, Caron asks Jean to research the coins, which she suspects hold clues to his murder. Jean later spots a figure in the car park. Is this a suspect hanging around the hotel? Or are these rare and expensive coins the reason to think that Antoine was murdered?