This book is a continuation of the previous one, and has the same name as the protagonist of the previous book, so it is related. The story takes place in modern times many, many years after the timeline of the previous book. After four people in the dormitory heard a thunder, they accidentally traveled to the Qin Dynasty. Because they sensed something was wrong, the four roommates were eventually forced to disperse to various parts of the Qin Dynasty. In the end, they became strangers because of their different ideas, and eventually turned against each other...
