Memory merchant Feng Qingyang makes a living by trading other people's memories in the wasteland invaded by the "Forgotten Disaster". When his only relative, his sister, fell into a deep memory coma, he was forced to embark on a dangerous journey to find the legendary "memory source core". Before his sister's consciousness completely dissipated, he had to fight against the giant companies that plundered memories and the "empty shell" monsters wandering in the ruins.
