The Staircase

Michael Peterson is charged with murder after the death of his wife.

Michael and his attorney piece together their defense.

Shocking new details surface about Michael's past.

A critical discovery rocks the Peterson household.

The Petersons struggle with the court's decision.

In 2006, Sophie pursues a far-fetched new theory about the night of Kathleen’s death. Then, in 2017, Michael grapples with compromising his principles in exchange for his freedom.

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.

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.