Justin Zeckendorf is determined to win the fourth-grade Good Deed Contest. As usual, he's been stuck in a group with the two stupidest girls in the class, Jessica Zander and Margaret Zachary because there last names start with Z. Everyone calls them the three Z's, and Justin's sick of it. Still he not about to give up. He manages to get Jessica and Margaret involved in the contest. But instead of getting lots of points they lose points and get negative points every time they try to do a good deed. They try to catch a robber in hope that they can catch up to every one which makes them lose more points then ever. Read this book to find out what happens.