The Heffalump is a much feared creature in the Hundred Acre Wood, so when Winnie the Pooh and friends hear a rumbling that can only be the dreaded creature, they set out with much trepidation to try to trap the monster. Roo's not allowed to go on such a dangerous outing, so decides to search on his own, and meets a young, playful Heffalump called Lumpy. They soon become friends, and Roo discovers Lumpy's just as afraid of Roo's pals as they were of Heffalumps. The new friends set out to prove to their friends and families that they have nothing to fear from each other, in this delightful animated family film.