In the highly developed future city "New Arc", citizens are immersed in the happiness brought by the "Perfect Memory" system. During a routine maintenance, top programmer Ling Feng accidentally glimpsed a "non-existent" sad memory of his wife An Ran. He began to doubt the authenticity of the world, determined to sneak into the huge memory database, fight against the invisible hand of the code, find the hidden truth, and try to awaken his sleeping lover and city.
