Nick Paleologus is summoned home to resolve a dispute that threatens to tear his family apart. His father, Michael, has received a hugely generous offer for the family estate in Cornwall, but refuses to sell --- and refuses to divulge why. The stalemate between Nick’s siblings and their father is tragically broken, and only then do they discover why their father was bound to protect the house. Their desperate efforts to conceal the truth drag them into a deadly conflict with an unseen enemy. Soon, Nick realizes the only chance they have of escaping is to hunt this ruthless adversary down. But the hunt involves excavating a terrible secret from their father’s past.