Kara’s investigation into William Dey’s “criminal” activities results in the shocking revelation he is not who she thinks. Meanwhile, the conflict between Malefic and J’onn J’onzz reaches a boiling point….

Supergirl, Alex and Brainiac thwart an alien attack while William investigates Kara; J’onn J’onzz and Kelly use Obsidian tech to solve a problem. Director: David McWhirter Writers: Jerry Siegel (based on…