Story of Rikidozan, a sumo wrestler who can only achieve limited success in Japan because he's half Korean. But when Rikidozan goes to the United States and discovers professional wrestling, he becomes a hero back home.

Hama-chan meets a friendly US soldier on a trip to Nagasaki with Su-san. Su-san returns to Tokyo and is informed that Hama-chan has gone missing.

Story of Rikidozan, a sumo wrestler who can only achieve limited success in Japan because he's half Korean. But when Rikidozan goes to the United States and discovers professional wrestling, he becomes a hero back home.