Conner Kent and Krypto escape from Cadmus Labs. His search for the truth about his past leads him to Lionel Luthor and genetic scientist Dr. Eve Watson.

The team on the ground flights to survive the threat they face on the new planet. Meanwhile, Raven must join forces with an unlikely ally to save everyone on board…

Jaha and Kane disagree over how to handle their grim reality. Meanwhile, Clarke leads a group to save a friend.