When a school field trip to Good Time Island is coming up, Jerri couldn't be more exited. However Principal Blackman is out on a witch hunt to figure out who the school problem is. So Mr. Noblet asks Jerri to investigate her locker mate and snitch on her if it's she, and if Jerri chooses not to do this she will not be allowed to go on the field trip. Jerri is not sure what to do because she is not a snitch.
—Anonymous