Over the protests of his wife Elsa, Keith Hollin rents a beach house. Elsa dislikes the house and is disturbed by her husband's digging of a gravelike hole in the basement. She is further disturbed when she finds out that Keith is seeing a local girl named Rachel. When Keith tells Elsa that he wants to buy the house, she decides to foil his plan by contacting the wife of the current owner to tell her to not to sell. Keith, however, grows angry and kills Elsa. He buries her body in the basement, but is surprised when the police arrive. The police carry shovels and want to dig up the basement. The police tell Keith that Elsa discovered the wife of the house's owner was missing. She tipped off the police and they began an investigation. They called the house's owner in for questioning and he confessed to murdering his wife. He told them that he buried his wife in the basement of the beach house. The police are at the beach house to dig up the basement so they can find the body.

During the year 1827 in Edinburgh, Scotland, John McGregor must take care od his alcoholic wife Aggie. He works for Dr. Knox and must lug large boxes of tanbark to his medical academy. When John learns that the boxes actually contain the murdered victims of two bodysnatchers Burke and Hare, he decides to get rid of his wife by getting her drunk and leaving her on the body snatcher's doorstep. The plan is successful, but John is overtaken by remorse. Unfortunately, he ends up to be Burke and Hare's next victim.

Ernest Mullett is a playboy who loses his job, his wife, and his girlfriend to his hated overachieving brother Farnum Mullett. Ernest's hatred turns to murder when he decides to reenact the biblical story of Cain and Abel.

On a transatlantic cruise Sally Benner falls in love with a London policeman named Tommy Bonn. On the eve of their wedding, Sally gets cold feet and takes a walk in the London fog. Tommy grows worried because there has recently been a number of stranglings in London. He and his partner Stephen Leslie go looking for her. The find a man named Clarke and suspect that he is the strangler. Clarke tells them that he has just murdered a woman that matches Sally's descriptions. He tells them that he dumped the body into a river. Tommy returns to tells is family, but is shocked when he finds Sally alive and well. Sally tells him that the wedding is back on. Clarke, however, was the strangler and the body of his victim is dredged out of the water.