Traveling back to Zhenguan, I became Prince of Shu Li Ke, equipped with a modern strategic reserve! Not wanting to snatch the crown prince position, I only want to be a carefree prince. To protect my younger sister Changle, I furiously confronted Zhangsun Wuji, and publicly made a dowry bet. Creating spinning machines and mercury mirrors, opening a new-style Tang dynasty shopping mall, sheltering refugees, and going toe-to-toe with the prestigious clan families of the Five Surnames and Seven Clans using advanced technology...