Filmmaker Joe Berlinger follows death row inmate Richard Glossip's journey through the criminal justice system, as he awaits execution for orchestrating a murder he swears he had nothing to do with.

Richard Glossip and others share their viewpoints; Justin Sneed, who murdered motel owner Barry Van Treese, claims Glossip forced him to kill; the detective who zeroed in on Glossip defends his investigation; Glossip maintains his innocence.

Richard Glossip's journey through the court system; Glossip's lawyer uncovers many ways in which the court system failed his client; news of destroyed evidence is a critical discovery, shedding light on how Glossip ended up on death row.

An examination of the history of botched executions in Oklahoma; Richard Glossip divulges his fear of suffering the same torturous fate as other inmates; forensic accountant Pam Kerr casts doubt on the charge that Glossip embezzled money.