In the future urban "Fantasy City" where memories can be extracted, edited and traded, Lin Mo, a top memory weaver, repairs or erases memories for others all day long, but he is unable to retrieve the critical blank of his own childhood. A mysterious commission drew him into the whirlpool: a woman named "Yi" asked him to delete a "non-existent memory". When Lin Mo dived into the depths of this nihilistic memory, he discovered a city-level conspiracy that had been deliberately buried. The probe in his hand not only connects to the client's past, but also points to his lost childhood and the bottomless sea of forgetfulness beneath the glamorous surface of Fantasy City.