Molly and JD discover another pregnant woman who is suffering with the same unexplainable and deadly symptoms.

Cast: Halle Berry, Pierce Gagnon, Grace Gummer, Jeffrey Dean Morgan, David Morrissey, Tyler Hilton, Hilarie Burton, Necar Zadegan, Kiersey Clemons, Alexandra Breckenridge, John Billingsley, David Clayton Rogers, Henderson Wade, Mark Adair-Rios, Steven Allerick