<p>Beautiful Caroline Crale was convicted of poisoningher husband, but just like the nursery rhyme, therewere five other “little pigs” who could have done it:Philip Blake (the stockbroker), who went to market;Meredith Blake (the amateur herbalist), who stayedat home; Elsa Greer (the three-time divorcée), whohad her roast beef; Cecilia Williams (the devotedgoverness), who had none; and Angela Warren (thedisfigured sister), who cried all the way home.</p> <p>Sixteen years later, Caroline’s daughter is determinedto prove her mother’s innocence, and Poirotjust can’t get that nursery rhyme out of his mind.</p>