Bellamy looks for help from a surprising source. Another disappearance results in a quest for answers.

Rachael refuses to accept any treatment for the virus as she is concerned for the safety of her unborn child. Elaine's brother Ray comes down with the disease.

Anti-Returned rhetoric increases with Pastor Tom's church becoming a refuge.

The death a beloved member of the community leaves Arcadians in mourning whilst a cure for the virus is provided by stem cells from Rachael's baby.

Preacher James and his congregation head to the Langston house to stop the birth of Rachael's baby.