 The movie was directed by Paul Wendkos, who would later go on to helm the pilot for the original "Hawaii Five-O" TV series.Professional burglar Nat Harbin (Dan Duryea) and his two associates, Baylock (Peter Capell) and Dohmer (Mickey Shaughnessy), set their sights on wealthy spiritualist Sister Sarah (Phoebe Mackay), who has inherited a fortune—including a renowned emerald necklace—from a Philadelphia financier.Using Nat's female ward, Gladden (Jayne Mansfield), to pose as an admirer and case the mansion where the woman lives, they set up what looks like a perfect break-in; even when Nat's car is spotted by a couple of cops, he bluffs his way through, gets the necklace, and makes the getaway.