Linhua is in trouble after a tense encounter with Prince Xifeng, younger brother of the emperor of Rui. Xifeng has stolen her cherished hairpin, a gift from her secret fiancé, Prince Souren, and threatened her with blackmail! Behind the scenes, the Rui delegation plots to drug Souren with an aphrodisiac and tempt him with the beautiful Princess Bixia. Will he fail Linhua and fall for their ploy? Or will Bixia herself experience a change of heart? Amid such schemes, Linhua and Souren must tread carefully or risk conflict of international proportions!