The Severson family move to a suburban neighborhood where their neighbors, the Kringles, celebrate Christmas year-round and harbor sinister intentions to hypnotize and indoctrinate them.

Upset that he has to share the room he loves with his grandfather, Peter decides to declare war in an attempt to get it back.

Twenty years since their first adventure, Lloyd and Harry go on a road trip to find Harry’s newly discovered daughter, who was given up for adoption.