Summary

Mrs. McGinty, a charwoman in English village, is murdered with blunt istrument and her lodger is tried and convicted. Constable had to prevent evidence, but doesnt believe lodger did it, and he enlists H. Poirot to investigate. H Poirot finds a newspaper with clipping missing in charwoman's house. At library, he finds it was an article about 4 women associated with crimes, who have more or less disappeared. He follows this trail.