This documentary takes the "Innocent Man on Texas Death Row" tale to a dark corner feared by all - - proving that an innocent man has been executed by the State. A clash between good and evil strikes up on the High Plains of Texas when Johnny Frank Garrett, a 17 year old retarded boy is arrested, convicted and ultimately executed for the Halloween night rape, mutilation and murder of Sister Tadea Benz. The 76 year old nun was attacked while she slept in her room at the St. Francis Convent in Amarillo, Texas. Garrett claimed his innocence from the time of his arrest until his dying breath. Sixteen years after Garrett's execution new evidence rose up from the cold case grave of the Amarillo Police Department proving they executed the wrong man! During interviews with key players the case of Johnny Frank Garrett unfolds like a recipe for executing the innocent.