Traveling to Europe under strange circumstances, attorney Stone Barrington finds himself at the center of an unusually complex mystery involving two unexpected invitations and an intricate puzzle that leads him into the rarified world of European billionaires.
Hired by a hedge-fund billionaire whose son has gone missing, Stone Barrington and Holly Barker launch what they believe will be an open-and-shut investigation only to uncover links to one of the most wanted and dangerous men in the world.