A Prison film is one like which drama film directed by John Flynn?
Prison film:  These films range from acclaimed dramas examining the nature of prisons, such as "Cool Hand Luke", "Midnight Express", "Brubaker", "Escape from Alcatraz", "The Shawshank Redemption", and "Kiss of the Spider Woman" to actioners like "Lock Up" and "Undisputed", and even comedies satirizing the genre like "Stir Crazy", "Life", and "Let's Go To Prison". Lock Up (film): Lock Up is a 1989 American prison drama film directed by John Flynn.
Lock Up