When Hercule Poirot, a well-known inspector and an eccentric, but very likable, Belgian refugee from the Great War, discovers that Emily Inglethorp, his wealthy benefactress who helped him through his new life, has been found dead, poisoned with strychnine, he sets out to solve the crime. But there is a problem. The main suspects are close relatives who can't or don't want to cooperate.

Miss Marple encounters a compelling murder mystery in the sleepy little village of St. Mary Mead, where under the seemingly peaceful exterior of an English country village lurks intrigue, guilt, deception and death. Colonel Protheroe, local magistrate and overbearing land-owner is the most detested man in the village. Everyone—even in the vicar—wishes he were dead. And very soon he is—shot in the head in the vicar's own study. Faced with a surfeit of suspects, only the inscrutable Miss Marple can unravel the tangled web of clues that will lead to the unmasking of the killer.

Little did Anthony Cade suspect that an errand for a friend would place him at the center of a deadly conspiracy. Drawn into a web of intrigue, he begins to realize that the simple favor has placed him in serious danger.

Mr. Shaitana is famous as a flamboyant party host. Nevertheless, he is a man of whom everybody is a little afraid. So when he boasts to Hercule Poirot that he considers murder an art form, the detective has some reservations about accepting a party invitation to view Shaitana's "private collection". Indeed, what begins as an absorbing evening of bridge is to turn into a more dangerous game altogether.

Upon finding a mysterious note at the scene of an accident, spunky Ann Beddingfeld throws caution to the wind and sets sail for an adventure to South Africa. She gets more thrills than she bargained for when she finds herself embroiled in a crooked diamond scheme, a murder, and in the clutches of the mysterious “Colonel".