A binge-drinking flight attendant wakes up in an unfamiliar hotel room beside a dead body and sneaks back to her work, telling a series of lies that complicate her ability to figure out what really happened. The events cause her to sober up, and her cover allows her to work for the CIA, but witnessing an international murder doesn't seem to get any easier even when you're being paid for it.

Fraternal twins Nikki and Nora are forced back into each other's lives when they inherit a detective agency. As they solve a murder, they realize that their differences could be their greatest advantage.

Inspired by a true story, The Staircase follows writer and war veteran Michael Peterson after the suspicious death of his wife Kathleen. On December 9, 2001, Michael makes a frantic 911 call reporting Kathleen has fallen down the stairs of their home. But when the district attorney brings murder charges, members of Michael's family must choose whose side they're on and which version of events to believe. As the case becomes engulfed in a media circus,...