Everything seems to be changing for the better at Hotel Transylvania. Dracula's rigid monster-only hotel policy has finally relaxed, opening up its doors to human guests. But behind closed coffins, Drac is worried that his adorable half-human, half-vampire grandson, Dennis, isn't showing signs of being a vampire.

Raven is stuck in Boston, where she has a vision that something bad will happen to Cody. Maddie tries to get London to wear Raven's dress, but London is too stuck up, until pop star Hannah Montana arrives at the Tipton and wants to wear the dress.

Foster children Andi and Bruce have been placed with a flaky couple who care more for their aspiring rock careers than their charges. Their mischievous tendencies repeatedly get them into trouble. After a close call with the local pound, the kids end up searching for Friday, their secretly adopted dog, in an abandoned old hotel where they find several other stray dogs seeking shelter. They, along with three other local kids, begin caring for the strays....