Giuliano Gemma stars as a cool, cocky mercenary enlisted by a sheriff to infiltrate a ruthless gang of outlaws. Ennio Morricone provided the score to this early spaghetti western hit.

The brother of a condemned man kidnaps the son of the warden to blackmail him. But the director, firm in the line of duty, does not agree, so the criminals decide to get rid of the child. After seven years, the kidnapped boy lives with tramps and together with another child sings along the streets to earn money while committing rogueries