The Riddle of the Sphinx (Inside No. 9) was characterised by Pemberton as a thriller in the style of Anthony Shaffer's 1970 play "Sleuth", while Shearsmith identified the episode as particularly theatrical, in the style of "Sleuth" and Ira Levin's 1978 play "Deathtrap". BBC executives, according to Shearsmith, saw the episode as a cross between "Sleuth" and Willy Russell's 1980 play "Educating Rita" that read as if it had been authored by psychopaths. The executive producer Jon Plowman suggested that the first half of the episode plays out like a radio play. The word-play and tea-drinking in this part of the episode are, in the writers' opinion, very
Shirley Valentine (film) job and is not upset at catching him in the act. Shirley's husband, who was angry and confused at her departure, waits for her return with a large armful of flowers. He is shocked and embarrassed to find Shirley chose to stay and isn't on the plane, and repeatedly calls her, pleading and arguing for her to return, saying that it is her place and she is embarrassing him, or telling her that her actions result from a mid-life crisis or menopause. Shirley becomes more content with her new life. She also becomes a great success with narrow-minded holiday makers