A small group of everyday passengers on a speeding London commuter train battle the sociopathic driver who has a dark plan for everyone on-board.

Markus, who has to go home to his teenage daughter, Mathilde, when his wife dies in a tragic train accident. It seems like an accident until a mathematics geek, who was also a fellow passenger on the train, and his two colleagues show up.

In the summer of 1979, a group of friends in a small Ohio town witnesses a catastrophic train crash while making a super 8 movie and soon they suspect that it was not an accident. Shortly after, unusual disappearances and inexplicable events begin to take place in town, and the local deputy tries to uncover the truth, something more terrifying than any of them could have imagined.