As a comet streaks across the Paris sky, lives intersect in a mysterious dance. Two friends roam the city, taking stock of their lives. A young woman reconnects with a father she had long since given up on. Another sells drugs for her brother. Elsewhere, two souls haunted by death cross paths. Meanwhile, actors rehearse a play that strangely mirrors these lives. A portrait of unexpected encounters and the chance events that weave the fabric of our lives.

On 11 October 2019, Bruno, an aging journalist from Ouest-France, learned of the arrest of a man in Glasgow whose fingerprints seemed to match those of Xavier Dupont de Ligonnès. The editorial team then moved to publish one of the most uncertain scoops.