Nick Castle is hired to follow the wife of a multi-millionare who belives his wife may be having an affair. The man's beautiful young wife is blown up in a car bombing with Castle as a witness. The private eye continues his investigation more determined than ever to find out who it was that killed the young woman. His investigation soon turns deadly, but who are the ones trying to kill him? That is the question he must answer and sooner rather than later. A good book for the classic mystery lover.