Three men are kidnapped on the eve of their high school reunion and wake up trapped inside a remote cabin in the Scottish Highlands. What comes next is the discovery that one of them is a killer. But which one? Will anyone confess? As a fierce snowstorm blows outside the cabin, the three men - Jay, Davie and Iain - work to uncover the connection between the kidnapping and their own troubled past. It's a past that goes back...