Journalist Zenia Arden has disappeared. When her finger turns up on the shores of Lake Ontario next to her blood-soaked car, the police believe they've uncovered a homicide.

Writer Claire Holloway is troubled by nightmares of Rose Marsh Farm. She decides to vacation at the farm which unbeknown to her is haunted by the ghost of a little girl and a teenage boy. Claire enlists the help of Geoffry Hunt to help uncover a decade old tragedy.

Steve Martin and Bonnie Hunt return as heads of the Baker family who, while on vacation, find themselves in competition with a rival family of eight children, headed by Eugene Levy,