After being chased from their Transylvanian castle by furious villagers, Dracula and his son Ferdinand venture overseas. Dracula finds fame in London as a horror film icon, reveling in his vampire heritage. In contrast, Ferdinand, embarrassed by his lineage, takes a job as a night watchman in Paris, where he develops feelings for a charming girl. When father and son cross paths again, complications ensue as both are drawn to the same woman, sparking tension between them as they navigate love and familial loyalty.