"Five Little Pigs" is a detective novel by Agatha Christie featuring her famous Belgian detective, Hercule Poirot. The story revolves around a murder case that occurred sixteen years earlier, where Louise Bourget was accused of killing her husband, Amyas Crale. Poirot is asked to investigate the case by their daughter, Elizabeth, who believes her mother is innocent. To solve the mystery, Poirot interviews five key witnesses, each a "little pig" with their own perspective on the events leading up to the murder. As he pieces together their stories, he uncovers the truth behind the crime and reveals the real murderer.