Marion is a charismatic fifty-year-old French woman who was born with an attention disorder. Rob is a desperate and mysterious thirty-year-old American man. In the wilderness of Canyonlands, Utah, the

该电影背景设定在911紧急呼叫中心的一个早上。呼叫接线员乔·贝勒（吉伦哈尔饰）试图援救一名危在旦夕的呼叫者，但他很快发现事实并非如此，而面对真相是摆脱困境的独一方法。