A chilling thriller set in 1903 gaslit London has fascinating character actor Cregar in the lead role as a sort of Dr. Jekyll and Mr. Hyde. He is a sensitive composer who becomes a maniac when he hears discordant noises and roams the fog-bound London streets for victims upon which to vent
his considerable spleen. When an antique dealer tries to cheat him, Cregar summarily strangles the man. A well-to-do woman hires him to compose a piece, then rejects the work, causing him to kill her. His romance with singer Darnell comes to nothing after he discovers she has been two-timing him.
Cregar's vengeance is terrible; he burns her body in a street fire set to celebrate G...