After civilization succumbs to a deadly pandemic and his wife is murdered, John Wood - a special forces soldier - abandons his duty and becomes a recluse in the Nordic wilderness. Years later, a wounded woman appears on his doorstep. Maria Johnson is an escaped lab rat and her pursuers believe her blood is the key to a worldwide cure. Though John is hesitant to get involved, all doubts are cast aside when he discovers Maria's pursuer is none other than Commander Stone, the man that murdered his wife some years ago.