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 is sold to Lü Bu Wei. Bu Wei will later offer her to the King of Qin Sun Yi Ren who isheld hostage in Zhao's palace. Bu Wei and Hao Lan enter the palace where they have to outwit Princess Ya and others who try to harm them.