Elizabeth and Jessica Wakefield are the only twins in their second-grade class. They wear matching outfits to school every day and always sit together.
But twins don't always like the same things. Elizabeth is excited about taking the class hamster, Tinkerbell, home for winter vacation. Jessica thinks Tinkerbell is disgusting.
When it's Jessica's turn to feed the hamster, she forgets to shut the gate door tightly - and Tinkerbell escapes! Will the twins find Tinkerbell? If they don't, what will they tell their friends?