After an incident where Renee fails to save a mother from an Atavus attack, she suffers PTSD and needs a break. She and Juliet Street head to a spa, but when Renee claims to have seen an Atavus, Street believes she's just being paranoid.

Renee is suspicious when a friend's wife and other patients become comatose supposedly from allergic reactions to anesthesia. She suspects Sandoval when she sees hybrids at the hospital. She needs an Atavus blood sample to find an antidote.