Several years ago, the TV play "The Sky of History" created by famous writer Xu Guixiang, winner of the Mao Dun Literature Award, caused a great stir, becoming a landmark work of military life in the new era and a hard-to-surmount peak for creators of many military-theme TV plays. Recently, Xu Guixiang has started to make an impact on this peak by filming the sequel to "The Sky of History", "The Course of History".