This rare swordplay team with top kung fu starlet Polly Shang Kwan and Pai Ying are on a mission to escort an official across a particularly treacherous and dangerous valley.

A young man makes his living in Paris in 1900 by fighting duels on behalf of other parties. He is hired to injure a leading politician and starts to get involved with a girl he uses to provoke the challenge. One newspaper, hostile to the politician, headlines the story of the impending duel asking who this Madame X is. Problem is, she is in fact the daughter of the paper's proprietor if only he knew it.

清朝年间，国库黄金被盗，朝野震惊，龙颜震怒。此案内情复杂，牵涉甚广，几任钦差大臣均无功而返，落得身首异处。迂腐落拓、又不失机智幽默的潘安，因其独特的行为方式被微服而至的皇上选中，稀里糊涂成了御赐钦差，负责国库被盗一案。自此，一个小小候补官成为紫禁城内一颗不起眼的棋子，卷进了腥风血雨的重重灾难，也卷入了两个女人的感情漩涡。潘安带着王爷安插在身边的小敦子和未过门的大脚媳妇开始了钦差征程，王爷的女儿冷香格格也悄然随行。途中，潘安屡遭追杀，险象环生，遇贪官险成冤鬼，撞恶霸遭人敲诈，回家省亲又丢了尚方宝剑，幸有醋劲十足的媳妇马大脚和武艺超群的侠士刘不云护驾，情深意重的冷香格格也屡次解围。几个痴情男女经历种种磨难，终于掌握了国库黄金的下落，不料又发现了更大的秘密，演绎出惊心动魄又妙趣横生的传奇故事。