Traveling through time to become the heir apparent of Nanfu, on the day of his wedding, he discovered that his bride had been mistakenly replaced and became Su Bairan, the princess of Infinite Princess known as the "bamboo pole monster". Faced with the emperor's marriage grant and the pressure from Princess Linchuan, the male protagonist originally wanted to exchange it, but was moved by the bride's sincerity. With the golden finger of "eavesdropping on his heart", he gained insight into his inferiority complex and kindness, and decided to make mistakes, safeguarding this marriage that was made by mistake but growing affection, and opened a sweet chapter of marriage first and love later.
