In the future city "Xinhai" where memories can be extracted, stored and traded, Ling Chen, the top memory weaver, makes a living by repairing and erasing other people's memories. He is like a ghost, wandering among countless broken souls, but he is unable to piece together his lost childhood. A commission from a mysterious wealthy businessman required him to retrieve a stolen taboo memory known as the "Scarlet Tide", which involved him in a huge conspiracy. The closer he gets to the truth, the more he discovers that the end point of that crimson memory actually points to his own blank past. On this isolated island built of memories, will he choose to embrace the cruel truth, or sink into the warm sea of oblivion?
