The first day of Autumn has arrived; to Winnie-the-Pooh it's another fun-filled season to be with his very best friend, Christopher Robin. However, he is nowhere to be found, which causes Pooh to worry what happened to him. After finding a sticky note revealing that Christopher Robin has gone to school, Owl scares Pooh and his friends when he misinterprets the note and makes them think that Christopher Robin has been taken to "Skull," where resides the dreadful Skullasaurus. So Pooh, accompanied by Rabbit, Tigger, Eeyore, and Piglet, set off on an adventurous journey to rescue their friend from this terrible Land Of Horror. Some of the adventures include exploring a thorn forest with venus flytraps, rescuing Piglet from a flock of peaceful butterflies that carry him into the sky, and finally coming down. Then, they come to a deep canyon that's many feet down to the bottom. Pooh's friends also confront their own insecurities throughout the search, facing and conquering them in a series of events where they're forced to act beyond their own known limits, thus discovering their true potential. Eventually, Pooh and his friends find a huge mountain shaped like a skull and think that it must be where Christopher Robin is being held captive. In the cave, when they all split up, Rabbit, Tigger, Eeyore and Piglet all meet up in the same place, but Pooh was lost in bushes of ice crystals and soon Pooh's reflection through the ice crystals looks like the Skullasaurus itself. When Pooh's reflection is able to be seen by the other four, they run for their lives. In the "eye" portion, which Owl describes as the most terrible of the whole place, and simply stiff with Heffalumps, Woozles, Jagulars, and other horrors of the worst descriptions. Throughout the film, the gang keep hearing eerie distant growls and roars, presumably the horrible monster who captured Christopher Robin and is now trying to drive them away so they won't rescue him. Pooh and the others first hear the growling near the strange looking rock formation that Owl labeled on his map as "The Upside Down Rock", continuing to hear the creature as they wander their way to Skull Mountain, however they discover that the eerie growling was really Pooh's stomach rumbling because he didn't eat anything on the long journey. It is possible that Pooh and his friends thought the Upside Down Rock was the one making the growls in that case, which is understandable because somebody's imagination of the Upside Down Rock could tell them that it was made to be a skull. In the end they face Christopher Robin, whose shadow looked to them like some sort of terrible Beast, and venture in through the mouth of the cave. The network of caverns and tunnels inside leads to much mayhem until they eventually find Christopher Robin (or more accurately, he finds them) and happily return home. At the film's conclusion, Pooh and Christopher Robin return to their favorite spot, where Christopher Robin explains what he learned at school, and comments that he learned he could be brave, strong, and smart when he gave his heart to it. He then sadly says that tomorrow he'll be going again, but reassures Pooh that he'll always be back, as long as Pooh's here: "Pooh, promise you won't ever forget about me. Not even when I'm 100?" "How old shall I be then?" "99." "I promise." "Forever and ever?" "Yes, Christopher Robin...forever and ever." The two sit at their spot under the tree as we pan out from them, while the narrator explains how we shall meet them again in this enchanted place... called the Hundred Acre Wood.