In the future city "Fantasy Capital" where memories can be extracted, stored and traded, top memory weaver Lin Mo is obsessed with using technology to reconstruct the complete memories of his late wife Su Qing. However, while piecing together the last fragments of his wife's life, he discovered an unreadable "fragment of nothingness." This forcibly erased memory is like a key, opening the door to a shocking conspiracy. In order to explore the truth behind his wife's death, Lin Mo has transformed from a weaver of memories to a lone warrior salvaging secrets in the sea of oblivion. What he will face is not only the huge mastermind behind the scenes, but also the wife he once loved but was so unfamiliar to.