In the summer in Qingxi County, Su Guilan and Zhou Jianguo were sitting in their small courtyard, discussing whether to go to Binzhou City to work hard - their only son had just been admitted to a key university, and the pressure on tuition and living expenses was huge. Sister Guilan planned to continue to be a confinement nanny, relying on her years of parenting experience, while Zhou Jianguo planned to run an online car-hailing service. The story begins here.