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.

On the eve of the worldwide launch of Andrea Rojas's VR contact lenses, Kara and William team up on an investigation that exposes a terrorist plot. Kelly and Alex celebrate an anniversary, but Alex's safety is in jeopardy.