In the near future where memories can be read and edited, Lin Chen, a top "memory submariner", is hired by technology giant Gu Yuan to sneak into the brain of his dying wife Su Wan to find a forgotten "trade secret". However, what Lin Chen discovered on that isolated island built of memory and on the verge of collapse was not cold data, but a carefully guarded secret and a buried love. When the client's conspiracy interweaves with his own trauma, Lin Chen must make a choice that can change everything between professional ethics and human conscience.
