When a lady gambler's luck runs out, Detective Littlejohn follows a trail of deception and danger across Europe in this classic mystery.

When professional gambler Sylvia Garnier arrives at the casino on the Isle of Man, everyone is intrigued to see what drama unfolds. Knowing all the tricks and betting on all the right numbers, she seems to be enjoying a solid winning streak. That is until she's found dead on the beach.

As theories about her murder run wild, Inspector Littlejohn is called in to get to the bottom of her mysterious demise. Dredging through years of family secrets and wartime betrayal, Littlejohn must untangle a conspiracy that takes him to France and Switzerland and leads all the way back to the French Resistance, if he is to solve this perplexing case.