When a wealthy widow is found murdered, her married lover is accused of the crime. The lawyer defending him is in ill health and his only hope for acquittal is the testimony of the accused's wife, proving his alibi. However, she has some secrets of her own to reveal.

Sleeping murder: When Giles and Gwenda Reed move into their dream house in a seaside resort Gwenda is haunted by the vision of a body in the hall. Miss Marple uses her keen intuition to solve the murder of Gwenda's stepmother that took place in the house while Gwenda was living there during her childhood 4:50 from Paddington: On her way to visit Miss Marple, Elspeth McGillicuddy glimpses a man strangling a woman on a passing trainches Police fail...

The amateur, elderly detective Miss Marple solves cases that baffle the police.

Poirot is rewarded with more than just gratitude when he helps a woman alight from a cab outside his dentist's office. When the dentist is then gunned down, a murderous chain of events ensuses and a broken shoe buckle becomes the key to solving the mystery.