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Rookie policeman Cornelius Keefe can't help but run afoul of his superiors. It isn't that Keefe is a screw-up, simply that he considers himself smarter and more "in the right" than anyone else. His know-it-all attitude endangers the young cop's relationship with Lila Lee, who happens to be the sister of a petty crook. Lee's ever-wavering loyalties finally manifest themselves when she rescues Keefe from a gangland ambush engineered by her brother. You Can't Beat the Law was a product of Hollywood's "Poverty Row," where energy and enthusiasm often overcame shoddy production values and uneven performances.