Rumors, the faint valley, possession of the Millennium masterpiece - "dragon flute." Only the true dragon's descendants can open the door of the chamber of secrets, the clouds fall to the ground, the hurricane plunges and plunges into chaos. All this is closely linked with the drowsy disaster the Dragon World is experiencing, and the only way to end the disaster is to sonic the legendary "Long Flute". So, "sheep Corps" once again assembled, decided to visit this mysterious and unknown to find out. On the other side, Hui TaiLang, who learned of the disaster and dropped his family, was caught up in the Dragon World by a sudden strange wave and had to fight shoulder to shoulder with the sheep again. "Ding Ding", "pound", "clang", the valley came bursts of raspberry sound, look carefully, actually with them in apprenticeship "art". To become a successor of a dragon, you must pass the exam of September 9, that is, you have the music, the effort, and the knowledge. Dragon Fort, the final battle imminent. The power of a mechanical dragon far exceeds the imagination of everyone, the original sharp weapon has become vulnerable. When Fei YangYang hangs a thread of life, a melodious whistle rang out into the sky, a small figure coming slowly from the "Mechano Dragons."