Light of Day (1987)
Fox and Jett play a brother and sister who are lead performers in a rock band, The Barbusters, in Cleveland, Ohio. The sister, Patti Rasnick, is an unmarried mother and has a troubled relationship with her own mother, who is deeply religious. Estranged from her parents and struggling to make ends meet, Patti decides to dive headlong into a carefree rock music lifestyle. The brother, Joe Rasnick, pulls away from rock music to provide some stability for his young nephew. It takes a family crisis to bring Patti back home and force her to face the prickly past with her mother.