The Legend of Hao Lan depicts the fights between the Qin and the Zhao state towards the end of the Warring States period. After Zhao’s imperial censor Li He gets caught in a trap and goes bankrupt, his daughter Li Hao Lan (Wu Jin Yan) is sold to Lü Bu Wei (Nie Yuan). Bu Wei will later offer her to the King of Qin Sun Yi Ren (Mao Zi Jun) who is held hostage in Zhao’s palace. Bu Wei and Hao Lan enter the palace where they have to outwit Princess Ya (Hai Ling) and others who try to harm them.