The film's captivating nature really stems from its central theme. Basil Rathbone is convincing in his portrayal of the affluent, Jewish "De Levis," who arrives for a weekend visit with what appear to be friends. After taking a bath, he finds that £1,000 has been stolen and informs his hosts. Initially dismissing the incident, they eventually agree to involve the police, at which point he focuses on a suspect: “Capt.…