Jacob and Margaret go missing during a violent storm that knocks out the power; another visitor arrives.
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.
When Nick finally admits his secret to Marisol, she convinces him to make things right with all those involved. Carmen meets a handsome stranger who offers to help her with…
After surviving a visit from IBM, Joe’s team must overcome internal differences and begin the technical feat of building the new machine.
The return of the dead reaches critical mass, sending the town into chaos; Sheriff Fred implements his own agenda, triggering an unexpected siege.
Bellamy and Sheriff Fred try to find Caleb; Maggie gives Jacob a checkup; Pastor Tom’s old love returns.
