Mavis and her three closest friends, Hank, Pedro, and Wendy, are all at that awkward stage of life where they think they’re responsible grownups, but really they’re still just kids. But with Dracula away from Hotel Transylvania for the first time ever, the kids will finally rule the roost. Or, so they think. Dracula has left his older sister Lydia in charge and she has zero patience for teenage antics. Or flush toilets. Or electricity. Or anything really.