Watch One Man’s War for Free: How to Stream the Movie Online at 123Movies. . Anthony Hopkins plays an English medical doctor living with his family in Paraguay and treating the poor people from the surroundings, who has his life turned upside down when his son was mysteriously murdered in what could have been an attack to him since he's opposed to the military dictatorship of the country. The doctor and his family will take lots of risk while trying to prove that the government was involved in the murder.