The premise of Sister Act (1992) is about Deloris Van Cartier, a struggling disco singer in 1970s Philadelphia, who is placed in witness protection at a convent after witnessing her mobster boyfriend commit a murder. Forced to hide her identity as Sister Mary Clarence, Deloris uses her vibrant personality and musical talent to revitalize the convent’s struggling choir, transforming it into a celebrated community force. However, this newfound fame draws the attention of her former boyfriend, putting her life and the convent in danger.