When fifteen-year-old Xander and his family move into an old, abandoned house in the middle of a dense forest outside of a small California town, they discover that not only are some of the rooms portals into other places, but that malevolent forces are at work.

Twelve-year-old David and his family search for their kidnapped mother in the many different time period portals of their home, but when a stranger appears and tries to force them to sell the house, their desperation reaches new heights.