At the moment when the purple lightning tore the sky apart, Bo Daye was standing in front of the "Han Dynasty-Qin System" exhibition area of the museum, and his fingertips ran across a rubbing of a bronze seal engraved with "Yueyang Order Seal". He is still wearing the pressed navy blue uniform - as a deputy director of the Art Department of the Cultural Affairs Bureau, this suit has accompanied him to participate in numerous art exhibition reviews, but he never thought that it would become a "formal suit" that travels through time and space.