Kara prepares to accept a Pulitzer for her writing, and comes to a decision about sharing her secret identity with Lena. A new villainess and former foe emerges from the Phantom Zone to fight John, and Lena sells CatCo to an associate who has big changes in store for the organization.

Kara meets with Lena for the first time since she admitted her secret identity to her. J'onn recruits Nia to help him dwell further into his memories, and Nia deals with her relationship with Querl. An old friend visits Kelly and asks for help with his memories, but he isn't what he seems.