Two married spies, embroiled in the dangerous web of an international intelligence conspiracy, will go to any lengths to secure a vital asset. Joe and Lara, covert agents living off the radar, enjoy a peaceful life at a secluded winter resort—until their sanctuary is shattered. When former operatives begin to suspect that the couple has joined an elite group of rogue spies called Alarum, their quiet retreat becomes the battleground for a high-stakes chase.