When new student Mitzi Mufflin, who happens to be blind, joins the gang at Mortimer Potts Elementary School, she’s thrilled to named Principal for a Day. Little does she know, the real principal and teachers will disappear! Can Principal Mufflin and her pint-sized “staff” secretly run the school until the teachers return? Join Mitzi as she navigates her way through each new challenge to save the school from disaster, using resourcefulness, determination, and her cane, Tappity.