Girls in Prison (1994) on Netflix

Plot summary

Aggie O'Hanlon is a young aspiring singer and songwriter hoping to build a career in 1952 Hollywood. A record company president is murdered, and she is accused of the crime. A court convicts her, and she is given a life sentence. Inside the women's prison, she meets other women serving life sentences themselves, and they befriend her and help her settle into prison life. An unknown source also believes she knows more about the killing than she does, and hit girls are sent after her inside the prison. She has to survive the prison long enough to prove her innocence.