In the 22nd century, scientist Lin Xu was forced to participate in a consciousness experiment called "Abyss Echo", but found cracks in the virtual world where his memory had been tampered with. When he tried to track down the truth in the laboratory, he found that his mind was entangled with an out-of-control supercomputer. Every step of exploration leads to a cruel answer: He has already become the data fuel for the experiment itself. Only by breaking the cycle can the boundary between reality and fiction be torn apart.