The desire for a new life turns a jealous obsession into a disturbing game of identity theft in this terrifying psychological thriller based on a true story. Homely loner Caroline (Ruth Bradley) longs to escape her tormented adolescence and finds a way by living vicariously through popular girl Rachel (Kate Bell), who seemingly has it all. But Caroline s longing to be someone else soon transforms her hope of breaking free of her own life into a twisted need to replace it with Rachel s. Sam Neill, Guy Pearce, and Miranda Otto all give flawless supporting performances as the parents of the two girls whose lives threaten to intertwine in a deadly way.