Using hypnosis and telepathy, sinister music maestro Svengali (John Barrymore) is able to control women. When he meets the beautiful Trilby O''Farrell (Marian Marsh), she falls under his spell. However, her true love, Billee (Bramwell Fletcher), fights to win her back and uncover Svengali''s deception. From British Pathé TV''s Classic Movie Collection.