In Kirigakure City, where technology can weave and cut memories, Lin Mo, a top memory organizer, is known for his calmness. He erases the pain of his clients, but he himself is like an emotional island. When a mysterious woman named Su Qing brought a seemingly simple request - to delete the memory of a lighthouse, Lin Mo accidentally discovered a fragment connecting her blank past deep in her memory. He is forced to embark on a dangerous journey into a labyrinth of tampered memories. With each layer of truth he uncovers, he gets closer to who he is and the secret they were buried together. In this vast ocean of oblivion, can he find his own island?