When they were young, they had very different statuses. One was the heir to a famous family in City B, and the other was the direct grandson of a killer family. They lived together for a period of time as the prince's accompaniment. It was because of his words: "I want Brother Leng to be my bride" that the head of the Su family became angry and expelled the entire Leng family.
Sixteen years later, times have changed, and he who regards Tong Yanwuji as a lifelong promise is destined to be a tragedy when he meets him again.