A mathematician and author, Luke Williams, boards a train to London, where he encounters an elderly woman, Lavinia Fullerton, en route to Scotland Yard. Lavinia shares her concerns about a series of unexplained deaths in her small village, which the local police deem accidental. However, Luke's skepticism turns to horror when Lavinia is fatally struck by a hit-and-run driver in London. Convinced of her claims, Luke travels to the village to investigate the mysterious deaths alongside a local girl who shares his suspicions.
Murder Is Easy
A computer specialist encounters a distressed elderly woman on a train, who warns him of a deranged killer terrorizing her peaceful rural community.