In a far and not so bright future when population boom leads to a shortage of food, water, and dwelling the government legislate on a one-child policy. At this tough time, identical septuplets (7 children born at the same time) are born and kept hidden by their grandfather. Lost their mother giving birth, and named after the days of the week, they're now trained to act like one person to keep their secret from the guards who are everywhere and check everyone at each corner of the streets. What happens to Monday brings on a lot of trouble to her siblings.