公元5世纪中叶,声势煊赫已历近500年的罗马帝国摇摇欲坠,对广袤领土上各行省的统治鞭长莫及、力不从心,逐渐把军队撤出经营多年、远在天涯一隅的不列颠。蛮族萨克森人乘虚而入,自北向南大举进犯。面对入侵者的野蛮行径,已经被罗马同化的凯尔特人首领亚瑟率领他的骑士同敌人展开 By the middle of the 5th century AD, the Roman Empire, which had been in power for nearly 500 years, was crumbling. It was unable to control the dominance of all the provinces in the vast territory without any assistance. Gradually, the army was withdrawn from operation for many years in Britain, far away from the corner of the world. Barbarian Saxon take advantage of, from large-scale North-South invasion. In the face of the brutal acts of the invaders, the Celtic leader Arthur, who had been assimilated by Rome, led his knights to launch with the enemy