After navigating a possible retrial, a 73-year-old Michael confronts a life-changing decision. Meanwhile, Martha and Margaret each share long-buried truths, and Sophie comes to terms with a revelation.
Michael Peterson, a crime novelist, is accused of bludgeoning his wife Kathleen to passing after she is found dead at the bottom of a staircase in their home. As the investigation continues, the family is thrown into a tumultuous legal battle. Meanwhile, a French documentary team takes an interest in the story.
The Staircase - America's Sweetheart or: Time Over Time Synopsis and Schedule