The call of the wild: Hurled into the bitter life of the frozen north Husky dog Buck quickly learns he must fight for his survival. The men that drive the sleighs are rough and cruel and the other dogs half-starved and savage. Buck's changes from family pet to supreme leader of the dog team. The cruise of the 'Dazzler': Joe Bronson runs away to sea only to discover that the boat he is on is little more than a pirate ship and that his fellow crew-members are planning a violent robbery.