An off-duty SAS soldier, Tom Buckingham, must thwart a terror attack on a train running through the Channel Tunnel. As the action escalates on the train, events transpire in the corridors of power that may make the difference as to whether Buckingham and the civilian passengers make it out of the tunnel alive.
SAS: Red Notice is a 2021 British action thriller film directed by Magnus Martens, based on the novel of the same name by Andy McNab, and starring Sam Heughan, Ruby Rose, Andy Serkis, Hannah John-Kamen, Tom Hopper, Noel Clarke, Owain Yeoman, Ray Panthaki, Anne Reid and Tom Wilkinson in his final film role. Sky Cinema released SAS: Red Notice in the United Kingdom on 12 March 2021.