The early April Day Organization was established by the Architects Association during the Republic of China to protect the nation's cultural treasures in various industries from being plundered by enemy invaders. However, due to the betrayal of organization members the Jin family in the later period, all families except the Jin family were forced to move south, resulting in the maps containing the treasures being lost.
As a member of the Liang family, a descendant of the April Day organization, Liang Xiuchen returned to China due to a mysterious email from abroad. In an accident at a concert, I met Lin Yinli, a descendant of the Lin family of the April Day Organization. From then on, a case happened together, and the story of the fate of the protagonist in the accident unfolded.
