Intern Zhong Yu accidentally welcomed a five-year-old girl. It was later confirmed that the two were father and daughter, and the mother of the child was actually his female boss Qiao Qingwu, whom he had always been in awe of. This accident bound the two people with different identities. In order to protect their children's growth, the two share the responsibilities of parents and take off their guard in the daily life of raising children, from tit-for-tat to growing affection. At the same time, paranoid suitors are pressing closer, workplace disputes are surging, and the little girl's secrets are gradually coming to light. Faced with many tests, can the two hold on to each other and keep this unexpected love and warm family?