Sergeant Ken Strange, of the Canadian Mounted Police, and his dog, King, are on the trial of the murderer.

The story of a boy, a dog, and a man. The boy discovers he is heir to a shipping line, and travels to Los Angeles, accompanied by inventor/radio operator Bob Whitlock and Irene Blaine. Their journey is aided by Pal, a wolf dog.

Western, featuring Rin Tin Tin Jr., about a man trying to find an old friend in a town that is trying to deceive him.