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 more confident with men but when the heist happens "Melinda" decides that this might be a time to assert herself with the young man. What now ensues borders on slapstick at times as she manages to take him hostage, sellotapes him to a chair (whereupon she tries to have sex with him...!) before, well - you really have to watch it. It has some quite surr...