"They Do It with Mirrors": Miss Marple must solve a crime in a rambling country mansion being used for the rehabilitation of young criminals. "A Pocketful of Rye": An old nursery rhyme comes true in a grotesque double murder. Only Miss Marple sees the connection and that the next victim will be an old acquaintance - unless she can uncover the murderer in time. "4.50 from Paddington": A deadly family intrigue as a murder is witnessed from a passing train. "The Mirror Crack'd from Side to Side": Tragedy struck when a once beautiful film actress throws a party and a woman dies. The intended victim seems to be the actress. Then another woman is murdered.