 Bob Stewart (Kent), a detective Henry asked to investigate the matter if he should die, begins his investigation and Duke Ellis, a newspaper reporter friend, is with him.Bob meets the family at its mansion and questions Henry's sister, his half-brother, his nephew and his nephew's bride, along with Ruth Allen (Ward), whose father was in business with Henry.Henry's brother Patton (Middleton) and a shadowy figure known as The Voice plan to kill all the relatives and divide the fortune.