剧情简介
The Doctor faces the end of his life as the Master's plans hurtle out of control. With the sound of drums growing louder, and an ancient trap closing around the Earth, the Doctor and Wilf must fight alone. But sacrifices must be made, and the deadly prophecy warns: "He will knock four times."。根据徐菊华原著改编。隋末年间，人民苦于赋役的苛暴，被迫起义，反抗隋朝残害虐杀的血腥统治。人民起义军的首领孟海公，率领起义军追击隋朝贵族雁荡山守将贺天龙于群山中的三贫口。敌人想躲避孟海公的追击，抄近路逃走。但此计被孟海公识破，他与义军将士们爬上险峻的山峰，准备夜袭敌人。在经过了一场激烈的夜战后，贺天龙与残兵狡猾逃入湖中。孟海公乘胜追击，内外夹攻，围歼残敌，起义军获得了最后的胜利。。