Yoonho, a single dad who lives alone with his daughter, arms himself with a meticulous attitude and strives to remain perfect under the weight of life.He became the private secretary of Jiang Zhiyun, CEO of a well-known headhunting company.And this strong woman seems to be unable to get interested in anything except work.One is a gentle man who shoulders fatherly love and responsibility, and the other is a cold and efficient female boss who compresses life into her career. The fate of the two intersects, and between busyness and alienation, a gentle story about growth, understanding and emotions is quietly revealed.