In modern society, Han Xiaoyu, a high school student whose parents have been working abroad all year round, lives alone in a rented house. He indulges in staying up late to read books on the history of Chu and Han. He knows Han Xin's life by heart, and daily fantasizes that he can kill everyone in ancient times. One time while walking and reading a novel on a rainy night, he was struck by lightning and traveled through time, possessing Han Xin who was in a state of despair at the end of the Qin Dynasty. Under the guidance of the mysterious system, the "counterattack copy" was launched to assist Liu Bang in achieving hegemony. With modern thinking and "irregular" acting style, it set off a different kind of storm on the historical stage of Chu-Han struggle for hegemony.
