自称“天下第一恶”的江小鱼自小生活在恶人谷，在十恶李大嘴等人的抚养下，终日好整蛊恶搞，油嘴滑舌，却心地善良、纯真可爱。小鱼儿行走江湖，与英气逼人的花无缺不打不相识。随着接触深入，小鱼儿和花无缺变成一对亦敌亦友的朋友。原来花无缺从小被移花宫主邀月收养，授其武功，宫主为了报复花无缺和小鱼儿的生父江枫，故意将二人分开抚养，待二人长大相互残杀。与此同时，江别鹤、江玉郎两父子正谋划着一场更大的武林阴谋，螳螂捕蝉，黄雀在后，一场事关武林生死存亡的腥风血雨旋即展开。小鱼儿与花无缺终于识破了宫主的阴谋和诡计，携手平息了江湖的恩怨与挑战。The story of twin brothers who separated at birth but grew up to be supreme martial artists. Raised to take revenge on each other they soon find themselves becoming good friends. Together they vow to take the martial arts world by storm and search for their true identities. Jiang Xiao Yu, better known as Xiao Yu Er, was raised by the Ten Great Villains in the Villains' Valley. He think he's the top villain in the jianghu. He's learned many tricks over the years and becomes a mischevious prankster, though his heart is kind. He meets Hua Wu Que, who he doesn't know is actually his twin brother. Hua Wu Que grew up in Yi Hua Palace under the care of Princess Yao Yue. Princess Yao Yue had a one-sided love for his father, Jiang Feng, and wanted to take revenge on him. Thus, she separated the twins at birth and raised them with the hopes they would be enemies and fight each other to death. Separately, Jiang Bie He, who was once the servant to Jiang Feng, teams up with Jiang Yu Lang in a conspiracy that might ruin the entire jianghu. Hua Wu Que and Xiao Yu Er team up together to try and take him down. (Source: Drama Wiki) Edit Translation