An all-girl rock quartet named Clamdandy (Gina Gershon, Lori Petty, Shelly Cole and Drea DeMatteo) tries to break out of obscurity in the Los Angeles scene, even as the realities of the music business -- and the ages of the two older members -- bear down on them. The big-time opportunity to open for a legendary punk group suddenly presents itself, but will the girls' incessant bickering be their downfall?