The return of the dead reaches critical mass, sending the town into chaos; Sheriff Fred implements his own agenda, triggering an unexpected siege.

Tom leads the search for Rachael, as her situation becomes increasingly dire; Maggie and Dr. Ward make a series of unexpected discoveries.

When deceased loved ones begin to reappear, the people in Arcadia change forever.

Bellamy wants to have Jacob's tomb exhumed; Pastor Tom reaches out to a childhood friend; Caleb claims he can't remember his death.

Bellamy tries to keep Jacob safe but his past interferes; Elaine must find where Caleb hid the money; Rachael gets shocking news.

Exhuming Jacob's grave deepens the mystery of his return; Henry struggles to accept that Jacob is really the son he lost; Maggie and Bellamy wonder if the local river holds a clue that could connect Caleb's and Jacob's deaths.

After a series of inexplicable events, Bellamy fears for the safety of Rachael and her unborn child. Preacher James predicts that the baby's birth will unleash an ancient evil. Margaret rallies the Returned at the government facility and forms an uneasy alliance with Preacher James, and Bellamy's government contact warns that something big is on the horizon,

Jacob and Margaret go missing during a violent storm that knocks out the power; another visitor arrives.

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

Preacher James returns, bringing a strange energy to the town; detained at the government facility, Margaret tries to keep to herself; something terrible happens to Henry.

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.

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