I Don't know much about it other than they live in a small town. All they want to do is have fun. One boy falls in love with a mortal girl, the others turn on him and her. Oh and I think the more they use their magic the less they have? There in a scene in the movie trailer where the boy drives into a semi and uses his magic to take the car apart and put it back together and kind of displace time. Anyway I never saw it. If someone actually knows what I am talking about that would be awsome. Thank you.

The Covenant (http://www.imdb.com/title/tt0475944/)