In this action-packed, high-concept thriller, Liam Neeson plays Michael, an insurance salesman whose daily commute home quickly becomes anything but routine. After being contacted by a mysterious stranger, Michael is forced to uncover the identity of a hidden passenger on the train before the last stop.
As he works against the clock to solve the puzzle, he soon realises he is unwittingly caught up in a criminal conspiracy - one that carries life and death stakes for himself and his fellow passengers.