Chen Yimo was a 16-year-old boy with a stable life, but his fate changed after falling into a mysterious cave. In the previous life, "Wenlian" spent everything and left Yimo a secret letter, pinning his hope on him alone. How do former lovers face sudden changes now? What exactly are the so-called clues on the new injury? Friendship, love, and family ties will all be tested, and Yimo's fate has already been arranged by others. When the truth that Chen Yimo thought was true gradually comes to light, a shocking secret will be revealed. When he regains his past life memories, what is waiting for him? Searching for the soul, searching for the soul, the soul is at the end of the world.