In 2013, Trevor McDonald spent two harrowing weeks on Indiana State Prison's Death Row, one of America's most dangerous maximum-security facilities. Five years on, Trevor returns to find that the prison has built a new death chamber, so this could be his last chance to speak to the condemned men he has been unable to forget. At a time when the future of the death penalty remains unclear, Trevor sees first-hand what time behind bars has done to the men who've committed atrocious crimes.