A Center for Disease Control medical team’s investigation of a disease outbreak at a high-tech arctic research lab uncovers the truth about a secretive research project that could threaten the future of humankind.

As Alan (Billy Campbell) sets up an isolation unit to quarantine the infected lab workers, Walker (Kyra Zagorsky) and Jordan (Jordan Hayes) each face the possibility that they have the deadly virus, too.

As Alan (Billy Campbell) risks killing Peter (Neil Napier) in a desperate effort to cure him, Walker (Kyra Zagorsky) teams with a mysterious young researcher to survive their quarantine. Jordan (Jordan Hayes) discovers her Rapid Response test is flawed.

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).

After Daniel (Meegwun Fairbrother) leaves Balleseros (Mark Ghanimé) to die, the mystery surrounding his connection to Hatake (Hiroyuki Sanada) is revealed. As he works to save Peter (Neil Napier), Alan (Billy Campbell) struggles with his feelings for both Walker (Kyra Zagorsky) and Jordan (Jordan Hayes).