The Chair (2016) online

Based on the Alterna Comics graphic novel of the same name, THE CHAIR follows the story of Richard Sullivan, an innocent man struggling to escape execution on death row. Witnessing the savage killings of his fellow inmates at the hand of the prison's sadistic and psychotic Warden, Sullivan decides that the only way to survive is to fight back. But as he matches the brutality occurring in the prison, Sullivan is forced to come face to face with his sanity and his own horrifying past.