Sang-ho is an ordinary high school student. His dream is to enter the military academy under the influence of his father who is an army colonel. As entering high school, he became friends with Jae-gu, Chang-bae, Kyung-chul, Hong-kyu and Sang-sik. They grouped a soccer team called 'Tiger', building up friendship by playing soccer. Sang-ho and his friends ran into group of fight with seniors, these incidents made everybody in school to misunderstand them as they were serious group of gangster. When Sang-ho gets becomes close with a girl whose boyfriend is a boss of another school's gangster group, things are going worse.
장희진
as Jung Soo-hee
정경호
as Lee Sang-ho
김소연
as
김예령
as Chang-bae's mother
조진웅
as Jo Hong-kyu
김혜성
as Choi Kyung-chul
고규필
as Na Sang-shik
연제욱
as Han Jong-seok
Lee Seok
as Kim Chang-bae
