In the near future where memories can be read and stored, Ling Chen, a top memory submariner, lives in the memories of others in order to track down the fragments of the truth behind his daughter's death. When he accepted the commission and sneaked into the memory palace of the comatose technology giant Gao Yuan, which was on the verge of collapse, he found that he not only had to fight against a memory ghost transformed from guilt, but also faced a terrifying secret closely connected with his past. On this island of consciousness, what he wants to find is not only the truth about others, but also the anchor of his own future.