When the protagonist of the story, Hou Chunyu, accidentally discovered a bronze mirror with the ability to travel through time and space during a walk in the wild, he was randomly brought to the Qin Dynasty by the bronze mirror. While constantly looking for a way home, he also met a group of heroes and beauties. Thus, he experienced the changes in the world, intrigues, and the tragic experience of losing everything. From Zhao Ziyu to Xiao Su later, this outsider has grown from cynicism to inner maturity. Everything is just a bubble in his eyes. What is the most precious thing to him? . . ?