The once Lord Dragon of nine province, Chen Yu, mysteriously lost his memory. Three years later, he became an ordinary food delivery guy. One day, he caught his wife in an affair with a rich heir at their home. He was so enraged that he lunged at the heir, and during the struggle, his wife struck him on the back of the head with a glass cup. Unexpectedly, it caused Chen Yu to regain his memories. Just as he was deciding to hide his identity as Lord Dragon. Lin Wan'er, the first daughter of the Lin family, appeared and claimed to be his fiancée.
