As Supergirl gets drawn deeper into Leviathan's plans and the search for her foster parents, the newly sentient Brainiac-1 drone realizes the one thing he needs to unlock the power of millennia of Kryptonian science is the Girl of Steel herself! With her focus on her Earth family, will the distraction make her an easy target for the mad A.I.? And how will Leviathan respond as she gets closer and closer to their plans?