In the "Eternal Night City" where neon lights and rain intersect, memory becomes a commodity that can be repaired, tampered with, and even traded. Lin Mo, a top memory restorer, can sneak into other people's broken "sea of memories" and salvage the lost fragments. He patched up the past for countless people, but he could only piece together the repeatedly burning lighthouse in his mind. When Irene, a ballet dancer troubled by a "ghost melody", came to her door, Lin Mo unexpectedly saw her forgotten reflection in her locked island of memory. This is not only a commission, but also a pursuit, leading to a huge conspiracy that can subvert the memory structure of the entire city. Together they will face the most dangerous deep sea called oblivion.
