A surprisingly meaty film about social alienation and violence masquerading as a teen fantasy about boys suddenly developing superpowers after an encounter with a big weird alien glowy thing. Rather a Lord of the Flies feel to it - the writer's interpretation of what the three boys in question would actually do with superpowers feels absolutely spot-on. It's entirely character-driven and feels pleasingly authentic and human, moving gradually from wonder and joy through to paranoia, fear and murderous rage, via their very touching, ostensibly unlikely, friendship. Full marks to writer, director and actors - none of the latter super-famous, but all deserving to be, especially the one who plays the messed-up moody loner Andrew. Really pretty damn good and thoroughly recommended.