Episode list

After socialite Lynn Llewellyn receives an anonymous threat, he is poisoned at his uncle's casino, and although he recovers, his wife is murdered by the same killer.

A woman is found strangled in her shop. Shortly after, another murder is committed. Perhaps the most terrifying is that the both girls' name is Sonja. The police is convinced it's the same killer and at each scene is heard a woman singing the same song. A song which is soon dubbed the 'murder melody'.

Henry Courtney, a wealthy importer is found murdered and the famous DeNormand necklace has been stolen. The false testimony of two witnesses, Rand and Hobbs, puts Jim O'Brien in the shadow of the hangman's noose.

When an actor is murdered at the BBC Inspector Gregory finds he has many suspects to choose from.

A famous opera singer lost her voice when her son was born, and has drowned her sorrows in drink. When a murder is committed near her house, she invents a story to get herself back in front of the public again. However, the story she comes up with results in her son being arrested for the murder.

A beautiful blonde who makes a career of seducing, then blackmailing, wealthy married men is found murdered after demanding a $5000 payoff from her latest victim; seems she was involved in a lot more than just blackmail.