 Cleveland, Ohio: July 4, 1954. In this terrible night Marilyn Sheppard was murdered in her bed. Her husband Sam, a known doctor, was accused of the crime and finally condemned. The police, the judge and press reporters don t never doubted of Sheppard s guilt. Although 10 years later he was set free, all they believed guilty to him. Much years later, Sam Reese Sheppard, Dr. Sheppard s son, searches the definitive proofs of no-guilty of his father, using scientists methods to prove his innocence and clean his name.