We do not know when and how we will die. Death Row inmates do. Werner Herzog embarks on a dialogue with Death Row inmates, asks questions about life and death and looks deep into these individuals, their stories, their crimes.

The documentary tells the hitherto unknown story behind an extraordinary and desperate fight to bring the truth to light. Told and made by those who lived it, the filmmakers' unprecedented access to the inner workings of the defense allows the film to show the investigation, research, and appeals process in a way that has never been seen before; revealing shocking and disturbing new information about a case that still haunts the American South.

Famed forensic psychiatrist Dr. Jack Gramm enjoys a reputation as one of the most sought-after profilers around. His expert testimony has resulted in the conviction of many criminals, including serial killer Jon Forster. On the eve of Forster's execution, one of Gramm's students is murdered in a vicious copycat crime, and Gramm himself receives an ominous message informing him that he has less than 90 minutes to live.