Titled "Crossfire," the episode finds Kara (Melissa Benoist) taking on a ruthless gang that uses alien-powered technology to raise a ruckus in National City while also trying to hook a Daxamite up with an internship.
Meanwhile, Lena Luthor (Katie McGrath) invites Kara to a fundraiser, and the tentative friendship continues as comfortably as it can for two people who have relatives who are mortal enemies.
Airing Mondays at 8 p.m. ET/PT on The CW, "Supergirl" stars Melissa Benoist in the title role, David Harewood as Hank Henshaw/Martian Manhunter, Mehcad Brooks as Jimmy Olsen, Chyler Leigh as Alex Danvers and Jeremy Jordan as Winn Schott. The series also features guest appearances by Calista Flockhart as Cat Grant, Chris Wood as Mon-El, Floriana Lima as Det. Maggie Sawyer and Tyler Hoechlin as Superman.