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.

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

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.