Attempting to recover from a recent family trauma by escaping into the woods for a peaceful hiking trip, an ex-lawman and his young son stumble across a dangerous contract killer.

A squad of British soldiers on training in the lonesome Scottish wilderness find a wounded Special Forces captain and the carnaged remains of his team. As they encounter zoologist Megan, it turns out that werewolves are active in the region. They have to prepare for some action as the there will be a full moon tonight…