Comanche

When Andrew Apperley visits his brother David in the East, he brings along an unexpected companion. Andrew's giant wolf dog, Comanche, is so wild that he has to be chained up for the safety of others. However, when the Apperley brothers come across a man drowning in the East River, Comanche breaks loose from his chains and swims to the man's rescue.

In fact, this man, Single Jack Deems, is a convict who has just escaped from Blackwell's Island. Deems wants Comanche for himself, and trails th...