A Vietnam War veteran, injured in the line of duty, returns home with a traumatic brain injury, leaving him with the mental capacity of a child in a grown man's body. He and his friend open a bar, only to face intimidation from local gangsters who pressure them to participate in violent "cage" matches.
Cage
...man with a childlike brain struggles to adjust to civilian life, requiring constant care and supervision, as he navigates the complexities of adulthood with the innocence and curiosity of a child.