Sangdae who is known for headbutt skill and Hak-chul, who is known for talking volubly are called Tiger brothers. They make their living by putting a show on the street using their skills. Chun-ok and his friends suggest them to join them to fight back Japan. However, Hakchul wants to holds hand with the Japanese Yakuza. He stands with the Japanese and even leads the persecution of Korean. Sangdae can’t condone this anymore and finally makes up his mind to stand against his old friend.