Pushy American journalist joins the search in 1926 Britain for mystery writer Agatha Christie, who has disappeared upon learning of her husband's extramarital affair, leaving behind a cryptic note taken to be suicidal. Exceedingly handsome production (plagued with troubles behind-the-scenes) is a fictionalized account of a relative non-event, the secret of which Christie apparently took to her grave. Screenwriters Kathleen Tynan and Arthur Hopcraft seem to think they're writing a mystery story along the lines of something the real-life Agatha might have concocted (at least it was marketed that way) but, with so little happening, attention falls on the performances of leads Dustin Hoffman and Vanessa Redgrave. Hoffman, exhaling cigarette smoke through his nostrils, is almost intentionally unappealing; he looks tiny standing next to his lanky co-star, and is unbearably mannered and stiff (it's one of his weakest performances). Redgrave looks stunning in her elaborate, Oscar-nominated '20s ensembles, and almost manages to create a character even though she's working from next to nothing (the picture is a showcase for her marvelously well-attired look and the graceful way she carries herself--all externals). The direction by Michael Apted is sleek and smooth, relying on the decorative detail to hold our interest. ** from ****