The Sky dragon pirates,it's a gang of buccaneers,and they spent their life to journey,and drinking.They are considered criminal,but are the good people they want to punish the smugglers and the drug merchant.

Cheng Enlai is the first mate of the sky dragon pirates,and right hand of the Shan Long.They met when Shen was on the run.Enlai was a monk,but was drive out from monastery when the chief master caught him when make alcohol.
Left homeless,met with Shen in a village,after a fight in a bar,they became friend,and journey together on the east sky and they made a lot of friend.