Su Mo, a modern college student, was involved in the turbulence of time and space due to an accident. He traveled to an ancient dynasty and met the fallen princess Shen Luoxue and the martial arts master Xu Zhengyuan. While pursuing their way back, several people inadvertently uncovered the crisis of a time and space rift in the world. As Su Mo continues to grow, he discovers that each reincarnation is not only a test of self-salvation, but also involves Lin Yechen, the mastermind behind the control of the order of time and space. The team members come from different time and space. They work together to solve cross-border crises and gradually get closer to the truth, but they face more severe choices in a great reincarnation. Who decides the fate of everyone? The truth behind time and space was gradually revealed, and Su Mo finally stood at the crossroads of destiny...