"REIGN OF THE CYBORG SUPERMAN" part one! Supergirl is back and working for the DEO to defend National City! As Kara Danvers, average American teenager and high school student, Supergirl must balance her life as a superhero with her new life on Earth. But some demons from her Kryptonian past are coming back to haunt her, and Kara will find herself face-to-face with her father: the sinister Cyborg Superman!