The Monster Walks (1932)

Plot

Ruth Earlton returns to her family's eerie mansion to secure her inheritance, only to find herself embroiled in dark family secrets. Accompanied by her boyfriend, she uncovers the mysterious death of her father, which is shrouded in suspicion. As Ruth delves deeper, she becomes the target of her unstable uncle, who plots her demise with the aid of his sinister wife, their son, and a menacing ape. Danger lurks in every shadow as Ruth fights to survive against the twisted machinations of her own bloodline.