When Sergeant Hayes is called to the cemetery, he makes a startling discovery. Six people have inexplicably returned from the dead and are in perfect health. How is this possible? Who are they and why are they back?

Sarah, James and Kate try to navigate their complex love triangle, grappling with a mixture of anger, grief and relief. Meanwhile, Charlie and Kirstie decide to seek answers about Charlie's past.

The group must decide what to do about Vic who was injured during the chase. Elishia wants to let him die but James wants answers from him and he convinces Elishia to operate.