Mumu, a prince from the Kingdom of Xinghai on the eastern shore of the sea, and Liuliu set off on a journey to the wondrous forest on the western shore, hoping to find a key that symbolizes courage and wisdom. Along the way, they encounter all kinds of interesting things and make many friends. Will they eventually find the key? And what wondrous adventures await the two friends in the magical forest?
Theme: Popular science for children
