Desc: The Silent Call: Directed by Laurence Trimble. With Strongheart the Dog, John Bowers, Kathryn McGuire, William Dyer. When Flash's master, Clark Moran, goes out of town on business, Flash, who is part wolf, is falsely accused of sheepicide and sentenced to death by local ranchers. Escaping into the mountains, Flash finds a mate but has to leave his new companion to rescue his master's love, Betty, who has been kidnapped by the real sheep killer, Luther Nash.