Supergirl goes on high alert when a new villain comes to National City. Meanwhile, Winn's new girlfriend Lyra gets him in trouble with the law and the Music Meister attacks.
A new villain (guest star Teri Hatcher) comes to National City, putting Supergirl on high alert. Meanwhile, Winn's girlfriend, Lyra, gets Winn in trouble with the law. Maggie attempts to help Winn but old loyalties get in the way. The Music Meister attacks Supergirl.