A pair of single parents, who have each brought their children to a remote Scottish resort for an annual family-and-games event, are accidentally booked into the same cabin. Naturally, they can't stand each other...at first.

The elder one of each generation in the Furlong family is equipped with an extraordinary capacity. James discovers the nature of his at the time of an accident which causes the death of his father and his grandmother. Haunted by this mysterious evil he hides in a forest not to harm anybody. A few years later, Mae also takes refuge it in the forest and meets James.