"Memory Black Market" tells the story of a future city with serious class divisions. Chen Xu, a "memory dealer" with a special brain who makes a living by storing other people's memories, after receiving a bloody murder memory, discovered that the client was actually the real murderer of a business tycoon. Overnight, he changed from a secretive trader to the only "living evidence" of the murder, and was forced to be involved in a huge conspiracy that swept the top and bottom of society. Under the pursuit of all forces, he struggled to survive and reveal the truth.