A well-known specialist in criminal psychology, Ira Zamin, has meticulously prepared for suicide: the death of her older daughter weighs too heavily on her conscience. But then she is summoned to a radio studio, where a psychopath is playing a sinister game: on air, he calls randomly selected phone numbers. If the person on the other end names a specific password, one of the studio hostages will be released. If not, one will die. Ira begins negotiations with him—while millions of people are listening to her…