Detective Charlie Hudson teams up with what he calls his "highly trained law enforcement animal" German Shepherd dog named Rex who he prefers to team up with because he doesn't talk his ear off.

Andrea Marr is a bright, straight-A, mature, 18-year-old high school senior on the verge of womanhood who decides to abandon her sheltered, boring lifestyle and her bookish friend Darcy for a look into the local rock and roll scene as a groupie to local rock singer Tod Sparrow and learn more about the life of one who follows a touring band along with her new friends aspiring rock star wannabee Cybil, outgoing fellow groupie Rebecca, and music critic Kevin.