 The film tells the story of a boy who, when forced to give his pet mountain lion to the local zoo, becomes upset at the living conditions of the animals there and attempts to free them.Originally released by MGM as a children's matinee feature, the film has subsequently been released on home video by Warner Bros.' family entertainment division.In a frame story, Branch Hawksbill, assistant director of a city zoo, is visited by a father and son who have a bear cub they found during a camping trip.