When Sophia and her mum move into Revenge House, on the lonely and windswept Romney Marshes, little do they know how the timbers of the ancient building are steeped in the secretive life of the marshes. They are both struggling to cope with the death of Sophia's father, although Sophia is embarking on a tentative romance with a local boy who is sensitive to her feelings. But suddenly they all find themselves sucked in to a criminal underworld that will eventually threaten their lives.