By accident at an art show in which they are entered, Philip Felton and Emery Wyatt offend the toughest boy in sixth grade, and he promises to get even. How can Philip and Emery get out from under this threat and set things right? When Johnny Visco's attacks show no sign of stopping, Philip, Emery and Mr. Conway concoct a plan that finally puts Johnny Visco in his place and prevents him from tormenting the boys any more.