Despite the presence of the electrifying Claudia Jennings, director Vernon Zimmerman's roller derby movie is as dull as they come. There's very little wit or even excitement in this film. Jennings is a factory worker who chucks her job and joins the derby circuit. She becomes a star and has to ward off the advances of creepy team-mates (both male and female) and deal with her white trash mother (Kathleen Freeman). There's no more to the plot than that. The editing was supervised by Martin Scorsese and the supporting cast includes Roberta Collins and Alan Vint. Vint brings some empty headed swagger to his role. The music is by bubble gum pop king Bobby Hart. This is one of only a handful of starring roles for Jennings, who died much too young in 1979.