If you have seen the last 2 underworld movies, this is a must see.I was convinced that Rhona Mitra was in fact Kate Beckinsale, and I lost a bet with my wife, they look so similar its scary, anyway getting back to the movie, this is a prequel, so its set before the other 2, so thats why you need to see it,great graphics, fantastic fight scenes, and Rhona is smouldering, cant wait to get it on blu-ray.