Recently, there have been some strange things happening at Styles Court, a large country house in Essex. Evelyn Howard, who was a loyal servant to the family for years, left the house after an argument with Mrs Inglethrop. After that, the atmosphere changes and Mrs Inglethrop suffers a fatal fit in her bed.

Two teachers discover the body of the school's unpopular games mistress, shot through the heart from point-blank range. The school is thrown into chaos when the 'cat' strikes again, and Julia Upjohn knows that without Poirot's help she could be next.

When Colonel Protheroe is found murdered in the study of the vicar, it seems that almost everyone in the village of St Mary Mead had a motive to kill him. This is the first case for Agatha Christie's legendary female detective, Miss Marple. She needs to use all her powers of observation and deduction to solve the mystery.

Baghdad is the chosen location for a secret superpower summit. But the word is out, and an organisation in the Middle East is plotting to sabotage the talks. Victoria Jones gets involved in the situation but gets more adventure than she bargained for.