Niu Niu, whose name is Chen Yi, is the legendary top student who lives above Ji Yan. His mother calls him someone else's child. Ji Yan always thought that he must be a nerd with a fat head and a big brain. However, she never expected that he turned out to be a peacock man with a stinky personality and a lot of gold. After experiencing sweetness and struggling with breakups, the two went from high school breakup to work. In the end, they finally understood that excitement is just the spice of love, and tolerance is the cornerstone of marriage. Five years is enough time for them to grow...