Carry on Sargent AKA Angela's Foursome is the film which once and for all exposes the film processing house racket as a hotbed of sin and vice. When a struggling company starts taking on pornographer clients, they attract the attention of a hardnosed hillbilly cop who's on the prowl for "dirty Commie stuff from Moscow." They make a short film which hyp-no-tizes the cop into believing that porn is good (a process soon to be adopted for all SWV tapes) and then to seal the deal, the hypnotist bang...