Two children were miscarried at birth, and their fate changed drastically. It wasn't until an accident happened to the rich young master in elementary school that the parents finally discovered the joke of fate. After contacting and communicating with another family, the two children finally exchanged the children, and their fate restarted again. The two children met again in college. The child from the poor family looked at the beloved young master and wanted to take revenge, but he finally understood that it was no one's fault...