The film tells about the world 50 years later, where single young people (commonly known as single dogs) are wanted and persecuted by the handlers all over the world. This disaster stems from the fact that the hero A Kun was too obsessed with anime and travel when he was youngThe game invented the operator, but unexpectedly, during the upgrade process, the operator began to awaken and generate a COS hegemon with independent consciousness. In order to end this catastrophe, Ah Kun created the high-level manipulator SitaAnd transmit her to her 22-year-old self, teaching her to love and not to be addicted to the virtual world, thus reversing the future and ending this disaster. Just as Sita entered the space-time gate, COSThe hegemon also broke into the door