During the worst blizzard in memory, an FBI agent in a moving SUV in New York City is killed by a nearly impossible sniper shot. Unable to pinpoint where the shot came from, as the storm rapidly wipes out evidence, the agent-in-charge Brett Kehoe turns to the one man who might be able to help themformer FBI agent Lucas Page.Page, a university professor and bestselling author, left the FBI after a tragic accident. But he has an amazing ability to read a crime scene and figure out angles and trajectories in his head, and he might be the only one to be able to find the snipers nest. Page finds himself hunting a killer with an unknown agenda and amazing sniper skills in the worst of conditions. And his partners murder is only the first in a series of meticulously planned murders carried out with all-but-impossible sniper shots. Page must discover what hidden past connects the victims before he himself loses all that is dear to him.