Xiaobao from the Northeast was bullied on the train for his bravery, so he asked his second brother to help. Who would have thought that the gangster had a murder weapon, and the second brother immediately persuaded him . Xiaobao, who had never traveled far, went to Shenzhen with his second brother to earn money. Who knew that the second brother was just a small driver. They came to the bar to play, Xiaobao got into trouble, and the two were unemployed since then. The two slept by the bridge. At dawn, they suddenly found that there was an extra baby beside them, and they couldn’t support themselves. Xiaobao and the others wanted to give the baby away, but they encountered human traffickers on the way. After rescuing the child, they rescued an old man on the side of the road. The old man let them live in his own house for free, and under the care of his neighbor Ma Lu and others, Tianyi gradually grew up. Because his relatives have been missing company, the grown-up Tianyi gradually became rebellious. He ran away with debts, and the creditors came to him. Unfortunately, Xiaobao was injured in order to save Tianyi. Tianyi learned the truth in the diary, and finally Tianyi brought Ma Lu home. The four of them clasped their hands tightly and were finally reunited