In 1843, a 16-year-old Canadian housemaid named Grace Marks was tried for the murder of her employer and his mistress. The sensationalistic trial made headlines throughout the world, and the jury delivered a guilty verdict. Yet opinion remained fiercely divided about Marks--was she a spurned woman who had taken out her rage on two innocent victims, or was she an unwilling victim herself, caught up in a crime she was too young to understand?