An embarrassing underwear incident? A lesson on a runaway bike? Grandma's wig at the fire department? These and lots of other adventures await ten-year-old Sofie, whose life is pretty ordinary until she finds out that her family has to move in with her grandma - not her favorite grandma - her other grandma. While Sofie tries to adjust to her new life in Wisconsin, she gets into many humorous predicaments with her wacky, eccentric grandma and learns the shocking truth about her family.