刑警队长李虎的儿子龙龙从小喜爱武术,并对京剧有着浓厚的兴趣。他考上长城戏曲学校,和遥遥、爱丽丝成为同窗学友。爱丽丝的父亲肯尼·杨是美藉华人、著名科学家,他在美国曾为一事公司设计出一种香水,这种香水可以溶解可卡因。当肯尼发现这家公司利用他的发明走私毒品时,马上毁掉配方,携全家离开美国,应邀来中国一所大学讲学。但那家有着黑帮背景的公司不肯 Penalty captain Li Hu’s son Long Long loved martial arts since childhood, and Beijing Opera has a strong interest. He admitted to the drama school in the Great Wall, and, Alice became a fellow student. Alice’s father, Kenny Young, is a Chinese-born and famous scientist who in the United States once designed a perfume for a company that dissolves cocaine. When Kenny discovered that the company was using his invention to smuggle drugs, he immediately destroyed the formula and left the United States with his family. He was invited to give lectures at a Chinese university. But the company with a gangster background refused