Plot Summary: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
Communist agent Dong-shin and South Korean agent Dong-geun don't realize they are brothers when they set out to kill each other in the name of revenge.