While a comet is about to put an end to humanity, Adée wants to bring Mélo to the Violet Purges, the last part before the end of the world; Mélo wants to save Adée by taking her to the Bunker. The two will set out together, in the grip of their anxieties and their desires.

The École de France, the country’s most prestigious engineering university. Raphaël is spending the last weeks of the year enjoying life with his fellow students. A bright future awaits him, but everything is hanging by a thread.