Awakened by a rumbling that could only be made by the much-feared Heffalump, the Hundred Acre Wood crew sets forth to catch the dreaded creature. Disregarded as too young to partake in such a dangerous expedition, little Roo opts to search on his own–with far greater success than his friends. But in meeting a young, playful Heffalump named Lumpy, Roo quickly discovers that Hef…