The CDC team continue to investigate the island; at the same time, they come in contact with a sick child who is miraculously healed, which causes Jordan to suspect that something isn't right about the abbey. Meanwhile, in the future, Walker and Caleb dig up Alan's grave and make a baffling discovery.

Cast: Billy Campbell, Jordan Hayes, Kyra Zagorsky, Matt Long, Neil Napier, Sarah Booth, Trevor Botkin, Damien Marques