Lu Dong is currently running away from home. ． ．
He got lost in the valley and took in a few apprentices. ． ．
After running around for more than ten years, the apprentice finally found a way out of the valley. ． ．
Find an apprentice and solve all kinds of troubles along the way. ． ．
Result. ． ． No explanation, even though you don't understand--. ． ．
[Ps: Comments are welcome, after all, children have too many shortcomings. ． ．