Now that Dracula has started out the Hotel Transylvania’s gates to people, factors are modifying for the better; however, Dracula is privately concerned that his half-human grand son, Dennis, isn’t displaying his creature of the night part. So, while Mavis and Arthur are away, Dracula enlists his buddies to help him put the boy through a “monster-in-training” coaching. But factors really get crazy when Dracula’s cantankerous, old-school dad (Mel Brooks) will pay an surprising check out.