Candice Renoir had put her career on standby for 10 years. When she returns from Singapore to resume service in a port town in the south of France, she feels a bit “rusty”. Despite the obvious defiance of her unit and a cynical superior who doesn’t make her job any easier, she is determined to turn her so-called weaknesses into strengths, solving the most complex cases with her common sense, her acute observation and her practical nature seasoned by a busy daily routine. Only Candice can catch a killer because she knows the chemical composition of a window-cleaning product or determine the hour of a murder from the cooking-time of kebabs… Candice is only naive on the outside, and nobody can resist her!

Professor Choron recounts with his memories as a child of a barrier guard, the 2nd World War with its horrors and the trains he saw during those years leaving for Germany or coming from there, full of French or German soldiers, in conquest or in rout according to the period