Twenty-three-year-old Liu Mengyao has just returned to China recently. Although she has only been married to her husband for a year, she has a daughter who is more than a month old. Because her husband Zhang Dong is going to Greece to send him a year, Liu Mengyao, who is in confinement, returned from Canada and was taken home by her sister Liu Junyao... Thirty-three-year-old Liu Junyao heard that her brother-in-law was going to work for business, and her sister had just given birth to a baby, so she decided to take her sister back to her home to take care of her, but she did not expect that her own sister would get together with her husband until that night...