The School Gyrls, America's newest teen music sensation, meet Archie, Jughead, Reggie, Betty and Veronica of The Archies when the girl band's tour bus breaks down in Riverdale. With cameras still rolling for the School Gyrls' reality show, the talented teenage groups decide to perform together for the school dance. However, when a series of suspicious mishaps puts both groups in danger, the teens will have to use more than their music to solve the mystery!