Quentin Fenton Herter Third always does exactly what he should, from closing his mouth when he chews to putting away his toys. But Quentin Fenton has an awfully naughty shadow, who calls himself Quentin Fenton Herter Three. Three interrupts, stays up late, and never flosses. And when good little Third has the opportunity to be bad one day, guess who steps in to take his place as a perfect gentleman?