Sun Wukong, the Monkey King, was being imprisoned by the great Buddha, who was managed to seal him into the five-elemental mountain. But when Buddha's seal spell went wrong, it banished Wukong to the magical land of Equestria instead. After the defeat of storm king, everyone is celebrating, not knowing a new danger is emerging. Now Wukong, with no power at all, must team up with mane six and their new friends to find the new element of harmony to save Equestria... From a new and more powerful threat...