The sole survivor of a bloodshed, Gu Qingzhi awakens under a new identity — Shen Xihe, the Princess of the Northwest. Once a proud and spirited rose of the frontier, she has now transformed into a cold, calculating figure, determined to seize control of her destiny and dominate the game of power. Crown Prince Xiao Huayong, frail in body but razor-sharp in mind, sees through the treacherous currents of the court. As their fates intertwine, they grow closer, joining forces to command the winds of destiny.

1945年抗战胜利前夕，侵华日军第七三一部队在哈尔滨平房区以“给水防疫”为名，秘密进行惨无人道的细菌战研究，大肆抓捕平民进行活体实验，妄图以此扭转败局。小贩王永章等人被强行抓入“特设监狱”，日军以“配合健康检查与防疫研究即可换取自由”的虚伪承诺，欺骗他们遭受冻伤实验、毒气实验、活体解剖等极端折磨……
影片通过平民视角揭露日军反人类暴行，展现绝境下国人不屈的反抗精神，旨在让世人铭记历史，勿忘国耻，捍卫和平。

A mysterious mathematical formula accidentally took Lin Chaoqi to a parallel world when she was 13 years old. In this strange adventure, with the previous years of accumulated experience in the Olympiad competition Lin Chaoqi with a buff suddenly found that those who had let down the time, abandoned beliefs, unfinished dreams, missed ties, and even her father's incurable disease, as she enters this alternate universe, everything can be made up for. Even those who have the worst possible starting point, there is still infinite possibilities.