在这部Battle B-Boy喜剧/动作/运动片中,一位對於街舞有天份的無名小卒，某日知悉朋友父親因病需要龐大醫藥費，義氣相挺的他透過地下仲介進入黑市打黑拳賺獎金，但這個地下黑市卻是以舞力訂規則來決鬥，這將會是他人生轉折的第一步嗎？
A group of talented but financially struggling B-Boys join an underground fighting ring in Downtown Los Angeles that uses Hip-Hop music and Break dancing to battle for money. To save the life of one of their friend's father, the B-Boys form a strong bond. They fight for each other, for their families and for a better future.
