The Loud family travel to Scotland and discover they are descendants of Scottish royalty as they move into their giant ancestral castle.
When Van Helsing's mysterious invention, the "Monsterfication Ray," goes haywire, Drac and his monster pals are all transformed into humans, and Johnny becomes a monster. In their new mismatched bodies, Drac and Johnny must team up and race across the globe to find a cure before it's too late, and before they drive each other crazy.
The assassin Deathstroke tries to save his family from the wrath of H.I.V.E. and the murderous Jackal.
