zhao state, which was crushed by qin state, lives in a poor woman named li haolan (played by wu jinyan). when she was wandering and helpless, she was bought by the great businessman lu buwei (played by nie yuan), and she was trained with all her heart, so she became graceful and charming. shortly after that, lu buwei presented hao lan to the qin king sun ying yiren (played by mao zijun), who was hostage in zhao state. princess ya (played by hai ling) admires yi ren, so she frames lu buwei and hao lan in every way. after the battle of changping, lu buwei gave advice to pave the way for yiren, helped him return to qin and became the heir to the king of qin. as soon as you enter the palace gate, it is as deep as the sea, and on the eve of national unification, even this unsettling aura floats over qin. a woman like haolan is destined to use her life to witness a legend that has been passed down through the ages...
