霍启发(任贤齐饰)生于武术世家，父亲（元华饰）自称霍元甲后代，积极推广武术，但是霍启发却一心想成为商业巨鳄，女友Rachel(徐子珊饰)更是西方的大胆做派，父亲催婚霍启发害怕父亲不接受女友，于是便绝情聘请合约情人试探父母的态度。刘枣（范冰冰饰）是一个急需用钱的农村大学生，在室友的怂恿下去应聘了这个职位。

霍启发带着刘枣回家，为了刺激家人，刘枣不仅穿着暴露，行为更是大胆放纵，没想到霍父为了霍启发能早日成婚，一再容忍。霍启发教刘枣偷霍家的精神支柱--霍元甲的遗物，使霍父深受刺激。这时，一年一度的武术大赛在即，霍启发利用商业头脑，把拳赛重新包装，一举夺冠，霍父也在刘枣的细心照料下康复。霍启发和刘枣在这段时间暗生情愫，正当霍父准备提亲的时候，女友Rachel出现诉出原委，刘枣也悄然离开。

Huo Qifa (played by Ren Xianqi) was born in a family of martial arts, his father (played by Yuan Hua) claimed to be a descendant of Huo Yuanjia, and actively He promotes martial arts, but Huo Qifa wants to become a business tycoon. His girlfriend Rachel (played by Xu Zishan) is even more bold in the West. His father urges him to marry Huo Qifa. Liu Zao (played by Fan Bingbing) is a rural college student who is in urgent need of money. He applied for this position at the instigation of his roommate.

Huo Qifa brought Liu Zao home. In order to stimulate his family, Liu Zao not only The clothes are revealing, and the behavior is even more bold and indulgent. Unexpectedly, Huo's father tolerated it again and again for the sake of Huo Qifa's early marriage. Huo Qifa taught Liu Zao to steal Huo Yuanjia's relics, the spiritual pillar of the Huo family, which greatly stimulated Huo's father. At this time, the annual martial arts competition is coming soon. Huo Qifa used his business acumen to repackage the boxing competition and won the championship in one fell swoop. Huo's father also recovered under the careful care of Liu Zao. Huo Qifa and Liu Zao secretly fell in love during this period. Just when Huo's father was about to propose marriage, his girlfriend Rachel appeared and told the whole story, and Liu Zao also left quietly.