As Dr. Alan Farragut (Billy Campbell) accelerates the hunt for his infected brother Peter (Neil Napier), the quarantine of three scientists threatens to create panic at the lab. Doreen (Catherine Lemieux) finds evidence that Dr. Hatake (Hiroyuki Sanada) is lying about his research.
As Alan’s (Billy Campbell) controversial cure leaves Peter (Neil Napier) clinging to life, the unchecked virus forces Jordan (Jordan Hayes) to make a devastating decision. Walker (Kyra Zagorsky) discovers the surprising truth about her new ally, while Daniel (Meegwun Fairbrother) squares off against Balleseros (Mark Ghanimé).