The story tells that in the early 1990s, a poor boy named Xiaobao followed his elder brother, who was also his childhood friend, from the same village, and came to Shenzhen, where the economy was developing rapidly. During this period, the two accidentally took in a hungry baby. How should Xiaobao and his elder brother, who were living in poverty, raise the child? When Xiaobao and his elder brother met Ma Lu, a young entrepreneur who was also working hard in Shenzhen, what hilarious stories would happen between the three of them? A story of struggle of a small person with mixed laughter and tears and ups and downs begins...