Zhu Qiuwen and Ma Mingyue transform into dragons to protect all living beings and guard Guixu, only to discover that the chaos crisis stems from a scheme spanning time and space, devised by the Taizu Emperor and the Li Holy Maiden. The Crown Prince bears the heart of a star core and turns the tide, while the twin moon statues conceal the mystery of the energy that created the world. The emperor and empress cross three lifetimes of love and tribulation, confront the truth of their bloodline at the end of time, and wield the dragons’ power of symbiosis to battle a world-ending catastrophe.