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The Delavine Affair is a jewel robbery orchestrated by a particularly vicious criminal gang. Reporter Peter Reynolds (his character name is-no kidding-Rex Banner) makes it his mission in life to track down the crooks and round them up for the Law. The bad guys reciprocate by framing Reynolds for the murder of a stool pigeon. Everything works itself out within the film's alotted 64 minutes. Honor Blackman, famed for her participation in the original The Avengers TV series, costars. Delavine Affair was based on Winter Wears a Shroud, a novel by Robert Chapman.