tramp Zhao three rounds with the investigation of crimes injured within the master Li wei , looks similar to accidentally swap identities . Li Chuan Wei took the opportunity to mix anti- organization was entrusted with the task , Chen Xin Er ( Zhao Liying ) Zhao three rounds but the palace of Emperor Qianlong became Christianity and Islam before and after the personal bodyguard . No trace of martial arts "low hand" three rounds , walk between the Qianlong , Jiaqing and Shen . Although the different methods , different position , different identity , but they are light and dark together, in a pinch, to help remove the Emperor Jiaqing and Shen , join forces to defeat the Mingjiao rebellion plot . They also recovered the brothers family has long been apart , to find their own love . Li Wei 's memory with the ruling and opposition parties struggle gradually become clear , with the gradual recovery , along with Zhao three rounds of the more stirred the deeper approach one another , the two of them inadvertently . Same time, they gradually felt each other's existence . When Emperor Jiaqing ready Awards hero , they are away from the DPRK , go to the tomb to find his birth parents .