《乌龙山伯爵》是开心麻花团队的一部经典舞台剧，由闫非和彭大魔共同编剧并执导。该剧讲述了主角郑 Imported text is incomplete or contains placeholders that need to be replaced with actual content. Could you please provide more details or confirm if the above information about "The Count of Egret Mountain" (Yulongshan Bo爵) is what you're looking for? The summary provided is based on a popular play by Kaixin Mahua, and it would be ideal if you could specify if you want a synopsis of the story, character descriptions, or any other specific details from the full set of the play.