Worm makes a surprising discovery -- teachers have birthdays! That means Worm and his friends have to find the perfect present for their teacher, Mrs. Mulch.
Taking a camping trip with his family to improve his flatter-than-usual mood, Stanley explores the woods with Arthur and endures a close encounter with a skunk before racing toward a cliff edge despite his mother's warnings.
Participating in an exciting show-and-tell day during which Miss Plum shows the class her sparkly new engagement ring, Flat Stanley is on the case when the ring goes missing.
Eager to help Mr. Pete the Baker make his delicious treats, Flat Stanley and Arthur participate in Mr. Pete's plan to reclaim his customers from a business rival.