Three new rules are added every day, and all rules from the previous day are invalid. If any of the rules is violated, the body will automatically mutate. Lin Shen was born with a short-term memory defect and could not remember what happened three hours ago, but because of this he never took the initiative to violate the rules. His younger sister, Lin Qian, has an extraordinary memory. In order to protect him, she broke the rules and transformed her hands into spider legs. In order to save his sister, Lin Shen must find the author behind the rules. In a world where everyone is struggling to remember the rules, his only weapon is forgetfulness.
