Laird Cregar delivers a remarkable performance as "George Harvey Bone," a composer descending into madness. He’s struggling to complete his concerto and experiencing troubling episodes of unconsciousness, which his physician (George Sanders) suggests might be alleviated by distraction. Consequently, he visits a music hall where he meets the calculating "Netta" – one of Linda Darnell's most memorable portrayals – and her oily associate, "Carstairs" (Glenn Langan). He swiftly becomes infatuated with this woman, and they soon recognize that his musical talent could bring them financial gain. She toys with his affections, he composes songs for her—he mistakenly believes the connection is deeper than it truly is, and she’s content to let him think so. The blackouts appear to be triggered by seemingly harmless sounds, consistently followed by violent events. This draws the scrutiny of his doctor, "Middleton," and investigators from Scotland Yard, but can they connect the pieces before further misfortune strikes? “Bone” exhibits qualities reminiscent of "Mr. Hyde,” and John Brahm’s skillful use of close-ups and lighting, combined with Bernard Herrmann's powerful score and Cregar’s compelling depiction of a progressively desperate and frustrated musician, effectively leads to a climactic event that aligns perfectly with its November 5th setting, featuring some energetic piano playing.

Source on TMDB