Name: Shadowland (2021)
Rating: 1.5

Synopsis: A group of private security guards are ambushed by hijackers whilst escorting an ambassador and his family to an event in rural Scotland. In the ensuing gunfight the Ambassador is shot and wounded and his wife is killed. The survivors take refuge in an old military barracks and they can’t believe their luck when the hijackers themselves are mysteriously attacked and killed. But soon, whatever killed the hijackers has them in its sights and their only hope of survival is an old scientist from the barracks who seems to know more than he says about whatever lurks outside.