The Green Road tells the story of a prison officer and a prisoner. Paul Edgecomb's job at the prison is to send off prisoners sentenced to death on their final journey. During the years he worked, he executed hundreds of prisoners. One day she meets a scary-looking man named John Coffey. However, beneath Coffey's eerie appearance lies a rather pure soul. Coffey is on trial for the murder of two little girls. Coffey's extraterrestrial powers, which are revealed day by day, will reveal new clues about his character at any moment.