Jack is a three year old chimpanzee who has been the subject of an experiment by Dr. Kendall to teach him sign language. When funding for the project is cut off by the impatient Dr. Peabody, Jack is sold to a medical research lab. Afraid of what may happen to his simian friend, Dr. Kendall breaks Jack out of the laboratory. However Jack is accidentally sent to Canada, where in a strange twist of circumstance, he establishes himself as a superb hockey player.