Civilian Mary Dane and falsely imprisoned Bud Leonard love each other. Lou Rinaldo, who framed Bud to get Mary, and escape-minded King Callahan want to keep him in stir, but convict Bertie and the others, even including the Warden, set events in motion to prove that love and justice will prevail. NB: Prisoner numbers given in lieu of character names in many cast lists for this film do not match the numbers shown on the characters' uniforms, when these can be seen at all, and are not used in dialogue at all.