Dr. Jonathan Ransom, world-class mountaineer and surgeon for Doctors Without Borders, is climbing in the Swiss Alps with his beautiful wife, Emma, when a blizzard sets in. In their bid to escape the storm, Emma is killed when she falls into a hidden crevasse. Twenty-four hours later, Jonathan receives an envelope addressed to his wife containing two baggage-claim tickets. Puzzled, he journeys to a remote railway station only to find himself in a life-and-death struggle for his wife’s possessions. In the aftermath of the assault, he discovers that his attackers—one dead, the other mortally wounded—were, in fact, Swiss police officers. More frightening still is evidence of an extraordinary act of betrayal that leaves Jonathan stunned.