Big Bad Mama is a 1974 American action-crime-sexploitation comedy movie produced by Roger Corman, starring Angie Dickinson, William Shatner, and Tom Skerritt, with Susan Sennett and Robbie Lee. This movie is about a mother, Wilma (played by Dickinson), and her two daughters, Polly (Robbie Lee) and Billie Jean (Susan Sennett), who go on a crime spree. After the mother unexpectedly falls in love with a bank robber it all ends, with tragic consequences. Big Bad Mama became a cult hit and was followed by a sequel, Big Bad Mama II, in 1987.
(Summary from Wikipedia)