In order to make money to support his family, bankrupt daughter Shen Lanyue applied to become the personal bodyguard of the disabled CEO Fu Yanshen. The heroine has a strong and out-of-the-box personality, and does things informally. She and Fu Yanshen, who is gloomy, venomous, and self-isolated, start a happy life as friends. The two quarrel with each other on a daily basis, but Shen Lanyue warms and protects Fu Yanshen in a unique way, helping him fight against the power struggle within the Fu family. In the rough and tumble relationship, the employment relationship slowly deteriorates, and the two are attracted to each other. From tit-for-tat to two-way protection, they resolve the family crisis while harvesting hilarious and sweet love.