Poirot Loses a Client

After an accident on the stairs - Emily becomes convinced that one of her relatives is trying to kill her. On April 17th she writes her suspicions in a letter to Hercule Poirot. Mysteriously he doesn't receive the letter until June 28th... by which time Emily is already dead. Emily Arundell is a wealthy spinster with some family members who would like a share of her money. A dangerous nighttime fall down the staircase during a holiday visit of her nephew and nieces raises her suspicions and, while recuperating, she writes to Poirot. Because of a delay in posting the letter, Miss Arundell has died of an illness by the time the letter reaches him. Poirot suspects foul play.