After a body with similar injuries to Kathleen's turns up at the county morgue, Sophie continues her quest to uncover what really happened to Kathleen. Meanwhile, Martha decides to dig into her fraught past, despite pushback from Margaret.
Michael Peterson, a crime novelist, is accused of bludgeoning his wife Kathleen to death 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 - Seek and Ye Shall Synopsis and Schedule