After Emperor Gaozong's death, Wu Zetian took control of the court. Driven by boundless ambition, she yearned to ascend the throne and establish an enduring legacy. But just as she was steadily making her way toward the throne, a dragon suddenly appeared out of nowhere. A series of calamities, conspiracies, and schemes followed, leaving the entire Tang Empire on the brink of turmoil. Di Renjie, an upright man devoted to the people, and his friends were unwittingly drawn into a story whose curtain had only just risen.