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.
