A contract relationship begins between the stupid cute Lin Lu and the childish Shi Liansen. In order to pay for her younger brother's insurmountable medical bills, Lin Lu gets into a contract relationship with Shi Liansen the young and domineering CEO of a company. Unknowingly, the binding contract paves the way for something more as Lin Lu repeatedly tests Liansen's limits and a romance ensues. (Source: ChineseDrama.info)