In the doomsday shrouded in scarlet fog, reality turns into a collapsed program, and the resentful spirits turn into gibberish and wreak havoc. Yan Su, the former chief architect of the "Ark Project", walks the wasteland with S-level decoding ability. He relies on code to delete ghosts and fix bugs, but he is always haunted by the guilt of causing disasters with his own hands.
During a mission, he encounters the "information black hole" Su Mian - this girl who can collapse the data of resentful spirits and leave no trace of herself is actually the "Experimental Subject Zero" left behind after the plan failed, and is also the key "seed" to restart the world. The A-level decoder Ye Xiao covets Su Mian's pure spiritual power and wants to turn it into a tool of dominance.
In order to protect Su Mian and make up for his past sins, Yan Su broke absolute rationality and formed a symbiotic contract with Su Mian. The two join hands to fight against the power of Night Owl and the system process "God's Punishment". On the verge of the data flood and the collapse of reality, Yan Su finally uses his own consciousness as fuel to rewrite the underlying rules of the world. The scarlet mist dissipated, Su Mian inherited the dual consciousness and became the administrator of the new world. Li Su's figure will forever be imprinted in the torrent of codes after the restart.