Charlie and his dogs, Samson and Hercules, travel with Aunt Karen to see the ships at the Naval Yard. While Charlie and Karen are touring the Navel Yard, the dogs save an old man who falls off the pier into ocean. TV reporters boradcast the heroics of the two dogs hailing them as "Little Heroes". On camera, Charlie is offered a free days at Universal Studios Hollywood by a studio representative and an animal hero medal for each of the dogs. In the meantime, Carney and Slick, the two bumbling convicts who with the help of Samson and Hercules and previously been apprehended, manage to escape from prison. They see the dogs on TV and feeling the need to avenge themselves on thecanine duo, head for Universal. Carney and Slick are continually foiled and hilariously ambushed by the dogs through comical pursuits and pratfalls. Charlie is thrilled as his dogs are LITTLE HEORES once again.