An ordinary modern man arrives in the Sui and Tang dynasties, and he is thrilled. He thinks he is just like the protagonists in those wish-fulfillment novels: having survived a great calamity, he is sure good fortune awaits. He can flirt with beautiful women at will, bluff the ancients with a little historical knowledge, and indulge in his fantasies as much as he likes. But after living in this era for a while, he realizes that the world is not as wonderful as he imagined. Beautiful women were not born for his sake, and the Earth does not revolve around him. If he wants to survive, he must become part of this world. If he wants to change the times, then he must first let the times change him. If he wants to stay alive, then... first of all, he must not die.