American junior diplomat William Gridley (Jack Lemmon) is transferred to London and moves into a house whose beautiful landlady, Carly Hardwicke (Kim Novak), is suspected by Scotland Yard of murdering her missing husband. A reluctant Gridley, who’s falling for the lovely Carly, is coaxed into spying on her, in this spry comedy thriller. Fred Astaire co-stars as Gridley’s boss; with Lionel Jeffries, Estelle Winwood. 123 min. Widescreen; Soundtrack: English.