The eldest princess of Xiqi, Rongle, woke up from a coma with all her memory lost, and various signs made her doubt her identity. In order to form an alliance with Beilin, Rongle was ordered to marry Beilin's prince Wuyou, but Wuyou refused to marry him. Rongle adopted the alias of Man Yao, the teahouse owner, and secretly searched for the Qin family’s leftover book on world governance, and did not know Wuyou. Don't know the truth...