On the isolated Forgotten Island, Chen Mo is a top memory trimmer. His job is to accurately peel off the painful past for his clients. He calmly restrained himself and imprisoned himself on this isolated island constructed of rules and procedures until a mysterious woman named Ling arrived. She doesn't want to forget, she just wants to find a core memory that has been dusted away. When Chen Mo was forced to dive into the depths of her broken memory, he was horrified to discover that the key to that ruin lay in the past that he had already pruned. Two incomplete souls, a game about redemption and truth begins.