If Jen can't get back to her usual self, she'll end up having to do everything all over again. Jen is a thirty-seven-year-old middle-school teacher in 2012. Overweight, underpaid, in debt, and with a bitter divorce pending, Jen wants to start over. Then Jen is hit by a car. When she awakens, she is a thirteen-year-old kid with her same parents and siblings, but it is still 2012. Initially Jen resists accepting her new reality, insisting that she is thirty-seven years old.