As the earthquakes worsen, Supergirl, Alura, Guardian and the DEO protect National City; Imra and Brainiac 5 return to help. M’yrnn gives J’onn one final memory before merging with the earth to stop the terraforming and the heroes defeat the priestesses.

Kara and James discuss Lena’s mistrust of Supergirl and keeping secret identities. Tonya, a Coville follower, brings Coville’s personal journal for James to give to Supergirl.