Summoned by a will to his late grandfather's castle in Transylvaina, young Dr Frankenstein (Gene Wilder) soon discovers the scientist's step-by-step manual explaining how to bring a corpse to life. Assisted by the hunchbacked Igor (Marty Fieldman) and the curvaceous Inga (Teri Garr), he creates a monster (Peter Boyle) who only wants to be loved...