The CW’s Supergirl season two episode 11 found Kara and her friends dealing with a shape-shifting White Martian, and Kara struggling with her feelings for Mon-El. Episode 12 titled ‘Luthors’ has Kara/Supergirl trying to protect a friend no one else believes in or trusts. Airing on February 13, 2017, season two episode 12 was directed by Tawnia McKiernan from a script by Robert Rovner and Cindy Lichtman.
The ‘Luthors’ Plot: LENA IS ARRESTED – After Metallo (guest star Frederick Schmidt) breaks out of prison and frees Lillian Luthor (guest star Brenda Strong), the police blame Lena (guest star Katie McGrath) for his escape and arrest her. Despite overwhelming evidence, Kara (Melissa Benoist) refuses to believe her friend is guilty and fights to clear Lena’s name. Flashbacks reveal how Lena came to be a Luthor. Meanwhile, Alex (Chyler Leigh) introduces Maggie (Floriana Lima) to the gang.