The Silent Enemy is based on Commander Crabb, a book by Marshall Pugh. This is the true story of young Lieutenant Crabb (Laurence Harvey), who in 1941 arrives in Gilbaltar to learn the rudiments of deep-sea diving. Crabb isn't interested in recreation, however, there's a war on, and it is common knowledge that a band of Italian frogmen have been sabotaging the British naval forces. Without official permission, Crabb and a band of hardy volunteers take on the task of scuttling the enemy's guerilla activities. Silent Enemy is at its best during its underwater sequences, in which both British and Italian frogmen deploy an astonishing variety of deep-sea weaponry.......

At a village f?te, Poirot runs into an old friend, John Harrison and his fianc? Molly Deane, a fashion model. Harrison invites Poirot and Hastings to tea the following week where Poirot learns that Molly had one been engaged to a local artist, Claude Langton. Poirot is puzzled by a number of apparently unrelated incidents but concludes that someone is being untruthful and that a murder is being planned. Courtesy of Hastings' new hobby, photography, Poirot knows exactly what is going to occur. Insp. Japp is hospitalized with a case of appendicitis.......