A gray mist sweeps across the city, turning most of humanity into emotionless mist puppets. Only nineteen people remain conscious. Lin Du, a convenience store night-shift clerk, accidentally becomes bound to a Replay System that grants him the ability to reload and start over. Together with Su Qing, a young livestreamer, he gathers survivors to fight for survival in the perilous Mist City, confronts ambitious adversaries, and uncovers the truth behind the Mist Eye of the Light Tower. To restart the world, everyone uses their inner thoughts as the script and stakes everything to protect Ferry Crossing, their last hope for survival.