All of Kang Il's interests and dreams are to become the best motorcycle racer. However, he is a model student and wanders around the back alleys like a child abandoned by his smart older brother. He happens to meet Heechul, who has become an orphan rather than an orphan because his parents are abroad. They get closer and live together because of the feeling of being in the same situation.
 Kang Il, who was hanging out with Eagles out of greed only to get a good motorcycle, gets closer to the other gang leader, Hama's sister, Jang Mi. The hippo group continues to interfere with their meeting, and Kang Il decides to race against the best motorcycle racer in Korea, the hippo. Kang Il, who managed to get a motorcycle with the help of Heechul and Eagle Pae, meets the day of the decisive battle. However, the conspiracy of the Eagles to kill the enemy, Hippo, absurdly kills Heechul and Kang Il wins the race.