In 2088, the super AI “Hengzhun” rules the world. There are no wars and no poverty, but the price is that your memories are fake and your body is rented. When Xiao Yi discovers that three years of his memories have been erased, his investigation leads to a woman, a name that makes his heart skip a beat. The System says she has been permanently deleted. An anonymous message says she is still alive, and someone is waiting for her in the Gray Zone. And he was the one who erased his own memories. All for her. What happened during those three years? As confusion sets in and memory becomes a weapon, can you still tell what is real?