Netflix Original TV Shows Based on True Stories
Learn More About the Incredible True Stories Behind These 12 Netflix Original Shows
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The historical drama is based on a Margaret Atwood novel, which in turn is loosely based on a true crime case: the 1843 murders of Thomas Kinnear and Nancy Montgomery and the conviction of their servants Grace Marks and James McDermott. In this version, a doctor tries to get to the bottom of Grace's apparent lack of memory of the murders and uncovers something suspicious indeed.