at first i think alien in prehistoric time while this be go to be one hell of a non sense . i be very pleasantly surprise though . there be no hi tech jargon or far fetched sci fi plot and everything be neat and straight to the point . and the most importantly there be no meaningless dialogue or cool stupid one liner . kainan ( james caviezel ) land on earth in his chase of an alien monster which kill his family . the year be something hundred bc and there be nothing superhuman or extraordinary about him and arm just with a gun version of a lightsaber and soon he be capture by the local tribe . the prehistoric people be nothing out of the ordinary either a wooden fortress and animal skin clad villager and monarch base ruling system . i really like the political element in the tribe interaction with the oppose tribe and the logical tactical choice make by it leader . it come to show that politics in it essence be just a plain and simple common sense for the people well be . the two fight tribe eventually join force against the common evil a pretty red illuminated monster that kill and eat everything on it way . the monster be cgi but it be give almost a human name moorwen and i have to admit very well do cgi . it blend very well with the rest of the sequence and the monster itself be quite original . all the encounter with it be really gory and though and so i do not recommend it for the faint hearted . there be the must have love story a well and between the outlander and the daughter of the king of the tribe and who eventually take over his throne after the monster and kill him mercilessly . there be a little cameo from ron perlman do what he do best a a ferocious leader of the oppose tribe and i. e. act really tough . this movie have everything you want in one alien and great action sequence and politics and pretty female and romance with the pretty female and a bit of gory horror and a happy end with an inevitable casualty of a loved one what not to like .