While traveling to Wuxi with her friends, Zi Yu accidentally transmigrates to a parallel world: ancient Wu-Yue. In the midst of danger, she encounters Han Zhong, her lover from a past life. With help from the alien A Suo, she travels between the parallel and real worlds. Through the Wu-Yue War, she hopes to change the fate of the ancient State of Wu and save it from destruction. Yet the course of fate, controlled by the unseen Eye of the Universe, sends her back to the real world. During her travels, she encounters Han Zhong, reborn in this life...