An office worker receives a chilling call at his desk: a shaking female voice barely audible, whispering help me murder before the line goes dead. That night he dreams vividly of a childhood friend speaking directly to him, grief-stricken and lost. The next morning, the newspaper reports that she has gone missing. He sets out for the remote mountain village where she had been working as a schoolteacher, determined to find her before it is too late.