Genève, avril 2015. Des négociations internationales sous haute tension s’ouvrent entre les USA et l’Iran, soupçonné de développer en secret l’arme atomique. Alexandra Weiss, cheffe de la mission diplomatique suisse, tente de maintenir un équilibre fragile entre les parties qui manœuvrent en coulisse. L’arrivée inattendue de son ancien amour, Payam Sanjabi, un ingénieur iranien dont la vie est menacée, va lui compliquer dangereusement la tâche…

On February 27, 2009, pupil Benjamin Feller commits a crime which he has meticulously described beforehand in a diary entry. He goes to the post office to send the diary entry to his teacher before he shoots his parents and turns himself in to the police. His teacher Esther Fontanel tries to understand the events in retrospect. But as the journal’s addressee, she is increasingly targeted by the police herself.

As winter sets in and P.A. sees the world shifting around him, he starts to observe strange phenomena in the environment. The changes are imperceptible at first, but gradually his whole world seems to be on the brink.