While on vacation in rural Wisconsin, five friends seek refuge in a lone building after their vehicle crashes in a vicious snowstorm. With no cell service, the group splits up to find help but when they reunite, one of them is found dead.

When college students sign up for what seems a simple paid research study, they soon realize their lives are in danger. Unfortunately they’ve unknowingly volunteered their bodies as human collateral in an ongoing U.S. Military experiment.