Shadow of a Doubt

The plot centers around Sit Muk-fu, who becomes infatuated with the maidservant Ku Kar-lin. In a twist of fate, Ku and her husband Wong Hoi plot to swindle Muk-fu, resulting in a deadly encounter that leads to Muk-fu's murder.

Detective Lui Hak takes on the investigation, uncovering layers of deceit as he navigates the complex relationships and hidden motives surrounding the case. As the story unfolds, the focus shifts to their daughter Bo-bo, who strives to exonerate her father, leading to a tense finale filled with unexpected revelations.

Shadow of a Doubt presents a unique narrative within the horror and mystery genres, showcasing intricate character dynamics and the pursuit of truth amidst chaos. This film represents a noteworthy piece of 1960s cinema that explores dark themes through a gripping storyline.