The show takes a look at the twists and turns of the first season.
Bellamy ends up waking up alone on the outskirts of Arcadia, unable to remember the events of the last seven days.
Bellamy and Sheriff Fred get a report that someone is living in Caleb Richard's old hunting shack. The pair fear that Caleb may have returned. Janine moves back home, in hope of saving her marriage.
Tom starts a new parish for the returned. Bellamy confesses as human bones are found in the river.
Margaret convinces Lucille to host a dinner celebrating the return of Jacob. But when unexpected guests turn up, the strains in the Langston family are clear to see. Bellamy continues researching the mysterious bones. Rachael receives news about the baby that unsettles her.
Margaret tries stopping Barbara from interfering with her relationship with Fred and Maggie. Bellamy struggles to keep his secret hidden, as he's forced to take desperate measures as the illness continues to spread.
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.
Jacob and Margaret go missing during a violent storm that knocks out the power.
The return of Preacher James brings an ominous new energy to the town, especially for Bellamy who seems to have a strange and unnerving connection to him. Now a detainee at the government facility, Margaret keeps to herself but her reputation precedes her and the other returned definitely take notice. Then the unthinkable happens to Henry which shakes everybody’s faith to their core.
Following a series of inexplicable events, Bellamy is concerned for the safety of Rachael and her unborn baby. James believes that the baby’s birth will cause an ancient evil to return. Margaret attempts to rally the Returned at the government facility and makes an uneasy alliance with Preacher James.
Preacher James and his congregation make their way to the Langston house to prevent the birth of Rachael's baby.