Men of all walks of life are attracted to the Riviera. The gambling tables of the casino serve as the back drop to Holmes, Watson, and a mystery that is about to unfold. Two down on their luck gamblers have words, but the losing streak continues for Gilbert. A call for a doctor has Watson examining a dead Heinrich. Despite being an apparent suicide, Heinrich’s wife blames the casino and Gilbert for her loss. A puzzling factor is the large sum found in Heinrich’s possession. Back at the gambling tables, Holmes has a bit of advice to improve Watsons luck… be the owner of the table. Gilbert also has a plan to improve his luck, but his system for winning worries his wife. Has his joke cost him his life? Working with the local police, Holmes shares his observations of Gilberts joke, gone all wrong. Has one of the two widows of the dead gamblers done him in? Sherlock grills the psuspects, and turns up a twist, and a scandal for the motive to murder.