Finn Chen is the successor of the Chen family, which is the wealthiest royal family in the whole country. However, Finn fled to City C because he was unwilling to inherit hundreds of millions of his family's assets. In this strange City, Grant Shawn rescued him. To repay Shawn's gratitude, Finn hid his identity and became the husband of Maura Shawn, the daughter of Grant Shawn. People laughed Finn for being an adoptive son-in-law of the Shawn family. How could Finn beat all his enemies and successfully inherit a trillion of property? Royal Dragon Husband, We shall see!