Max and Teresa, one of his best friends, are always finding adventure""even the kind that might get them into trouble. But Teresa doesn't mind. When their class goes on a fieldtrip to a local farm, Teresa convinces Max to sneak out after dark to see the baby piglets. When the mama pig voices her unhappiness, the squeals wake up the farmer and the entire class. How will Max and Teresa get out of this big, muddy mess?