Alex is kidnapped and the kidnapper threatens to kill her unless Supergirl releases a notorious criminal from prison. Supergirl and Maggie have always had different approaches to apprehending criminals but…

J’onn J’onzz reveals the details of meeting Kara and Alex’s father, Dr. Jeremiah Danvers, and assuming Hank Henshaw’s identity. Also, Kara debates trusting someone new with her secret identity and…