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Old stock shots are blended with freshly filmed material in the Universal programmer Hot Steel. Richard Arlen plays a metallurgist who brings his formula for super-strength steel to a mining town. The formula is promptly stolen, putting everyone under suspicion. To make matters worse, a murder is committed, and the evidence points to Arlen. Helping the hero clear himself are true-blue comic sidekick Andy Devine, Devine's kid sister Peggy Moran, and leading lady Anne Nagel. Watch for Joe "You Crazy, You!" Besser in the role of "Siggie."