The sensational Michael Peterson case which has spawned a controversial documentary 'The Staircase" a.k.a. "Death on the Staircase", and TV movie "The Staircase Murder" is recounted. Michael's wife, Kathleen, was a popular, prominent and wealthy businesswoman. Is novelist Michael Peterson guilty of murdering his wife or was it an unfortunate accidental slip and fall off the staircase and is he also guilty of the murdering his best friend's wife who died in a staircase accident 18 years ago? After all, she died on a staircase. Is Michael hiding a dark secret? The pieces come together in Michael Peterson's million dollar defense.