Thirteen-Year-Old Dinah Lance knows exactly what she wants, who she is, and where she's going. First, she'll win the battle of the bands with her two best friends, then she'll join the Gotham City Junior Police Academy so she can solve crimes like her dad. Who knows? Her rock-star group of friends might even save the world...but first they'll need to agree on a band name. When a mysterious figure keeps getting in the way of Dinah's goals and threatens her friends and family, she'll learn more about herself and her mother's secret past, all while navigating the various power chords of life.