It's cold on the water. It's late November in Cornwall; late evening. A figure clad in a wetsuit, in a dark kayak, is pulling against the inflowing waters of the tide across the River Fowey powering toward a secret assignation in defiance of an ancient powerful family.

High above the river in a medieval timbered hall, a Hollywood superstar is mourning the loss of his first born son, rebuilding his life in a new enterprise, an exclusive, therapeutic establishment for troubled souls, The Valley of the Tides. But he is unaware that his arrival in Cornwall has aroused a simmering...