Traitor on the train?

Joe Roag and Abby Aysgarth fear one of the passengers has a dark secret...

- NATASHA HOLT, SEAN MARLAND, VICTORIA WILSON

NIGHTSLEEPER

Sunday & Monday, 9pm, BBC1 Drama

Joe Roag has been battling to save everyone trapped on board the Heart of Britain train after it was hijacked by cyberterrorists in the opening episodes of BBC1 thriller Nightsleeper.

Yet the off-duty cop gets a nasty surprise this week when he learns that one of the passengers on the train could be in league with the terrorists!