Star-Crossed

S2 E16: A new villain (guest star Teri Hatcher) comes to National City, putting Supergirl on high alert. Meanwhile, Winn’s girlfriend, Lyra (guest star Tamzin Merchant), gets Winn in trouble with the law. Maggie attempts to help Winn but old loyalties get in the way. The Music Meister (guest star Darren Criss) attacks Supergirl.