Hercules (Steve Reeves) journeys to a Mediterranean kingdom—specifically on the Italian Peninsula—to help a king prepare his son for leadership. Along the way, he meets the king’s daughter (Sylva Koscina), investigates an old murder, participates in athletic competitions like discus throwing, battles both a lion and a bull, navigates the ocean seeking the Golden Fleece, and has dealings with the Amazons. "Hercules…