Does that "Starts in the middle of the action the flashes back to the start" thing that crops up sometimes, which I don't really like in movies. I think it works well for the ocassional episode of television and **sometimes** works out in mystery fi...

So, the slightly amateurish "Billy" (Josh Hutcherson) decides to rob a gas station staffed by two girls - "Melinda" (Tilda Cobham-Harvey) and "Sheila" (Suki Waterhouse). The former girl is a bit strange, subdued, reticent even; her colleague far mor...