34 days to go. Slough bank manager Jamie's birthday is rocked when he is arrested on suspicion of being an international cyber terrorist. But news of an impending apocalypse throws much more into chaos.

With the population in chaos, Jamie begins a hapless hunt for Layla. Father Jude is given a crucial new role.

Jamie makes a discovery that leaves him feeling completely betrayed. Elsewhere, Ariel sends Scotty a worrying message and Rhonda realises no one can be trusted.

Scotty tries to make amends for his recent decisions, while Jamie's life receives another shake-up, following a sudden tragedy.

Jamie and Ariel come face to face in uncertain circumstances. Plus, Father Jude makes a daring stand against the Vatican hierarchy.

With just 24 hours until the comet crashes into Earth, the race to reach the bunker is on. Plus, the results of Operation Saviour are revealed to the world.