Kara Zor-El, cousin of Superman, had lived her life as Kara Danvers. Kara revealed her powers to National City in order to save her adaptive sister Alex, who is a secret agent. By revealing her power, Kara is now forced to become Supergirl- the protector of National City. Balancing her life as Kara Danvers, an assistant then journalist for Catco, and her life as Supergirl, Kara faces challenges in every aspect of her life. Supergirl has a sweet coming out story and a romantic storyline between Alex and a NCPD detective Maggie Swayer. Also there is insane chemistry between Kara and Lena Luther, Lex Luther’s sister.