She is a patriotic young man in the war years, full of passion and iron will, reborn in the body of a weak girl who was bullied. Faced with indifferent parents, vicious sister, and school bullying, she sneered and tore up the script. In this life, she wants to take back everything that belongs to the original owner, and she also wants to write her own legend in this peaceful era. From a despised repeater to the leader of the new technological upstarts; from an isolated and helpless weakling to a strong man stirring up trouble. When the tenacious soul of the Republic of China hits the wave of modern science and technology, when the mystery of the dusty time and space is gradually revealed - see how she uses her pen as a blade and wisdom as a shield to set off a storm that shakes the times in the small world of Class 9!