Pushing Up Daisies (1973)

After pulling a daring, if rather strange, bank heist while dressed as nuns, half of a four-member gang gets arrested and thrown in jail. While they're working on the chain gang, their partners in crime drive up with guns blazing and spring them. With everyone free, the leader of the gang announces that he's got a plan for another score that will be guaranteed to give them the notoriety they crave.