Set on a train from Glasgow to London, a government agency intervenes in escalating events onboard. Two strangers work together to save passengers as the train hurtles towards disaster.Set on a train from Glasgow to London, a government agency intervenes in escalating events onboard. Two strangers work together to save passengers as the train hurtles towards disaster.Set on a train from Glasgow to London, a government agency intervenes in escalating events onboard. Two strangers work together to save passengers as the train hurtles towards disaster.