On Forgotten Island, memories are commodities that can be repaired, tampered with, or even erased. Lin Mo, a top memory restorer, is known for his calm and precise skills, but he is unable to repair the missing fragments of his childhood. When a mysterious woman breaks into his life with a memory fragment related to his past, Lin Mo is forced to embark on a dangerous journey. He discovered that this isolated island with forgetfulness as its cornerstone was built on a huge lie. The truth he is pursuing is not only related to his own life experience, but may also subvert the order of the entire island, and even... Make him sink completely into the sea of oblivion.