The famous work starring Paul Newman is a biography of American boxing champion Rocky Casciano and a first-class boxing action film. the hero comes from a poor family in New York, and his father dreamed of becoming a professional boxer. Lead a mediocre life. He had no hope for his son Loki, who had been fighting all the time, and the father and son even fell into a dead knot of mutual hatred. Unexpectedly, Loki was appreciated as an officer in the army and encouraged him to develop into professional boxing. In the end, the prodigal son returned to become the boxing champion and untied the knot with his father. Today, it seems that the narrative technique of this film is only regular, but director Robert Wise has been quite successful in depicting the main character's rebellious character. The pace of handling is also cheerful and brisk, coupled with Paul Newman's vibrant performance, it still looks quite interesting for 40 years.