Ten-year-old Albie has never been the smartest, tallest, best at gym, greatest artist, or most musical in his class, as his parents keep reminding him, but new nanny Calista helps him uncover his strengths and take pride in himself.
Ten-year-old Emmy wants to be an ordinary girl, but the evil nanny Miss Barmy, now a rat, has trapped five of her former charges and when she uses them to steal jewels belonging to Emmy's parents, it is up to Emmy, Joe, and their rodent friends to stop her.
When Emmy discovers that she and her formerly loving parents are being drugged by their evil nanny with rodent potions that can change people in frightening ways, she and some new friends must try everything possible to return things to normal.