Mountain youth Lu Chenchuan, following his master's orders, descends the mountain to look for his betrothed fiancée. On the way, he runs into beauty president Cheng Zhixia being cornered and besieged by enemies. He helps her out, but immediately asks for a service fee. He takes the marriage certificate to break off the engagement, but is stopped by Cheng Zhixia's grandfather. To fight against the internal spy and rival Han Shaojie, Cheng Zhixia hires him with a huge sum of money to pretend to be her fiancé and bodyguard. The casual and unrestrained youth chops down a precious ancient tree to roast corn, and even sees through the company's feng shui hidden hazards at a glance. Thus begins the story of the bickering couple.