It is 1750 and King George has set up the Bow Street Runners to combat the increase in crime. Many highwaymen are captured, but not Dick Turpin (Sidney James), the most notorious of all. He an accomplices (Barbara Windsor and Peter Butterworth) are in fact disguised as a Rector, his maid and the organ player! Sir Roger Daley (Bernard Bresslaw) is determined to catch them at all costs, but will they escape his grasp? Also starring Hattie Jacques and Kenneth Williams.