What happens when you mix Elementary School, rumors, fear, and lice? To the Nitwits, the world is a place of constant moving as they look for a place to lay their eggs. The Nitwits world collides with third grader Tammy Smith, her friends and her family when they come to Tammy's classroom. Tammy's old best friend has lice and her new best friend tells the whole world about it. Tammy gets caught in the middle and then the worst thing happens, she gets lice too!