Inspector Montoliu. The Case of the Unknown Twin

A policeman about to retire. A series of corpses that pile up and challenge his ability in what must be his last case. The appearance of an unknown twin. The discovery of the true origins. More and more corpses, along with a paid vacation in Melilla. And, as a final dessert, the reunion with loved ones and the end of loneliness. Can you ask for more in a detective novel?