Emma Roberts is a young woman trapped in a deceptively beautiful cage in director Alice Waddington's upcoming film Paradise Hills. The trailer for Roberts' upcoming film arrived this week. Paradise Hills goes big on the visuals, promising to take viewers into a dystopian world unlike they've never seen before — and probably won't want to leave. But alas, this is a dark sci-fi tale, as the trailer quickly reveals. The trailer sticks closely to the film's protagonist, Uma (Roberts). It opens with Uma waking up in a room painted to mimic the outdoors. Unsure of how …