Gu Yunsu always had the dream of screenwriter. When she was frustrated in love, she simply let herself go, quit her job to realize her ideal, and was preparing to go home and rely on her mother Wu Limei to raise her for a temporary transition, but she never expected that her mother, who was nearly fifty years old, was getting married.Later, he quickly became pregnant with his second child.Gu Yunsu, who was originally planning to do what he wanted, became a personal caretaker for the elderly pregnant woman without any preparation, lived under the same roof with her mother who was moving forward, her stepfather who was not familiar with each other, and her brother who was not related to her was staged.A family story that is both ridiculous and warm and healing.During this process, Gu Yunsu and his mother's attending doctor Xu Wenbin met each other without fighting, and the two went from happy enemies to heartwarming companions.During the 180-day birth, Gu Yunsu gradually realized his deep dependence and cherishment of his mother, and Wu Limei also had a real experience of her daughter like a % small cotton jacket.Gu Yunsu welcomes the joining of new family members in the company of warm family affection and sweet love, and also finds a new opposite in career and life.