In the near future, everyone will have sleep disorders due to excessive social pressure or various reasons. Constant nightmares cause sleep changes and affect human health. So far, a mysterious organization has been formed. In the morning, they are six seemingly ordinary college students, and at night, they will be the staff of the dream recycling room, recycling nightmares and protecting the dreams and health of the client. In the process of constantly fighting against evil forces, many bizarre and touching things will happen.