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

Jamie's search grinds to a halt when he is yet again mistaken for Ariel. Father Jude and Sister Celine step in to help a young girl escape an angry mob.

Rhonda horrifies herself when she realises she will do anything to maintain her freedom. Meanwhile, Ariel stumbles on the US Government's biggest secret.

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.

Scotty must make a huge decision when he spots an error in the plan to save the world. With just two weeks until impact, Ariel embarks on a threatening mission.

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.

The end of the world is nigh as the bold comedy drama reaches its earth-shattering conclusion. With the comet about to strike, the race to the bunker is on.