FBI Special Agent Finn Wright, put on leave after bending the rules, visits his detective friend in England, when his help is needed with a high-profile murder in a historic mansion in the British countryside. Finn finds himself out of his element, immersed in a world of wealth and privilege, hunting a killer who is clearly a genius—and who seems able to outsmart Finn’s every move—until, in a shocking twist, Finn realizes this world is not at all what it seems.

Recently put on leave and divorced after he caught his wife cheating on him, Finn needs a fresh start in life. He thought a visit to an old friend in a tranquil small town in England would be a good step—until his friend needs his expertise with a series of murders in spectacular estates. With the local police chief impressed, Finn is asked to stay on, as they need his help.

As Finn’s eyes are opened to a world of storied wealth, history and privacy, he realizes that he has much to learn—but that killers are universal….