Xu Changqing, a modern-day transmigrator, refuses to get caught up in court politics and travels overseas to establish the Great Ming. He finds love and builds a life with Princess Xiao Mingyue, and together they settle in a foreign land and have a daughter, Xu Qinghe. Gifted with extraordinary talent, courage, and intelligence, Xu Qinghe misses her homeland and family. She secretly takes command of a warship, sails across thousands of miles of ocean, and sets off alone for Yongjing, the capital of the Great Yong Dynasty, to find her maternal grandfather. The little girl arrives in the bustling imperial capital and causes one hilarious commotion after another. In Yongjing, the bonds between two generations and the intertwined destinies of two great dynasties are finally revealed.