Herman Munster, a new Lord, and his family set sail for England, where they face a rocky reception from the locals. Meanwhile, Marilyn Munster develops a crush on Roger Moresby, a racing enthusiast. As they settle into Munster Hall, they discover a dark secret: their English relatives are embroiled in a counterfeit scheme led by the notorious The Gryphon. With a high-stakes car race looming, Herman must participate to uphold the Munster name, all while evading The Gryphon's deadly plans.

Munster, Go Home!
The Munster family embarks on a thrilling escapade to England after Herman unexpectedly inherits the esteemed title of Lord of the Munster Hall.