So Evil My Love is a 1948 British and American Gothic psychological thriller film, directed by Lewis Allen and starring Ray Milland, Ann Todd and Geraldine Fitzgerald. The film is a period drama set in the Victorian era, and shot in film noir style in the late-1940s subgenre often referred to as "Gaslight noir". It is based on the popular novel by Marjorie Bowen (published under the pseudonym Joseph Shearing) and was filmed at Denham Studios and on location in London. Elements of the plot are based on the mysterious death of barrister Charles Bravo in 1876. The conclusion may also be based on the death (in New York City, in 1905) of Cesar Young by Nan Patterson.