Trial and Error tells the amazing true story of Dewey Bozella, a man who spent twenty-six years in prison for a murder he did not commit. The film follows Dewey a year after his exoneration as he struggles to transition back into society and follow his dream of becoming a professional boxer. Through court documents, family photographs, archival footage, and new interviews, Trial and Error traces the case back four decades and examines how this injustice was possible.