Lu Li recently graduated as Calculus student, she knows clearly which company she wishes to work for, that is Enchant technology ( an online game developer)– a company owned by Jiang Yi Cheng, someone who inspired her to take up the same major, and someone who she admires and love from afar. Yi Cheng is her senior but he had no idea who she is. Although with clear goal in mind, Lu Li did not expect Jiang Yi Cheng's company does not recruite female employee.. Jiang Yi Cheng refused to hire a female employee due to his previous romance experience hiring a femail programmer Li Man.
Determined to join his company, Lu Li decides to disguise as a man and enter the company. At the same time, Yi Cheng's mother is desperate for him to get marries as Yi Cheng shows no interest in women. Eventually Lu Li's cover is blown, and Yi Cheng's mother sees the opportunity to pair them together. For Lu Li to keep her job and for Yi Cheng to stop going to tiring blind dates set up but his mother, they both resort to a contract marriage to fool their parents. Yi Cheng set lists of rules to keep a distance between them but unconsciously becomes jealous and irritated when he sees Lu Li being friendly with other guys in the office. Just when relationships between Yi Cheng and Lu Li becomes better, Yi Cheng's ex girlfriend, Li Mn shows up. Watch to find out if what happens between them!