The Monogram Murders (Hercule Poirot Series)

Hercule Poirot's quiet supper in a London coffeehouse is interrupted when a young woman confides to him that she is about to be murdered. She is terrified-but begs Poirot not to find and punish her killer. Once she is dead, she insists, justice will have been done.

Later that night, Poirot learns that three guests at a fashionable London Hotel have been murdered, and a cufflink has been placed in each one's mouth. Could there be a connection with the frightened woman? While Poirot struggles ...