

7.058 minSeason 1 • Episode 6
LatestAbby's convinced she knows how to stop the remaining carriages, but with Joe out of contact and almost out of time, is it too late for those hurtling towards the end of the line?
Set on a sleeper train traveling from Glasgow to London, a government agency desperately tries to intervene in the rapidly-escalating events onboard. Can two people who've never met, one on the train and one not, work together to save the lives of its disparate group of passengers as the Heart of Britain service hurtles towards what might quite literally be its final destination?
Direction
Nick Leather squeezes impossible tension from narrow corridors.
Acting
Joe Cole's contained panic versus Alexandra Roach's remote desperation.
Production
Actual moving train set, no green screen cowards here.
Creator
Nick Leather
Trivia, insights & behind the scenes
The train interior was built on a gimbal rig that could tilt 15 degrees, allowing genuine unsteady footage without CGI.
The 'sleeper service' itself is a dying British institution—the Caledonian Sleeper this parallels has faced actual funding crises, making the show's infrastructure anxiety weirdly documentary.