In a future city where memories can be retrieved and played back, the top "memory stalker" Ling Su spends his days traveling through the afterimages of other people's broken memories in order to find a way to cure his sister's "silent syndrome". A bizarre murder of a scientist involved him in a huge conspiracy. The mysterious client Lu Tingwan, the missing core research, and a rant in the memory of his father's death all point to a secret that can overturn the world. Ling Su must make a choice between pursuing the truth and protecting himself, and the abyss is staring back at him.
