After the 'Jack' in Mona's antique Jack in the Box goes missing a strange new kid shows up in town and his name is - you guessed it - Jack. Always popping up in the wrong places at the wrong time, Jack is non-stop trouble, and whether he knows it or not - he needs Mona's help. / A trip out to a cornfield maze reveals the horrible truth of an imminent alien invasion. Are Mr. and Mrs. Cobb truly farmer yuppies selling Cobb fun-farm franchises, or, are they Mona's worst fear, corn cob resembling aliens who want to take over the world?
