Paris 2020. While superheroes have assimilated into the Parisian society, they discover a new drug that gives themselves personal superpowers to mere mortals. Lieutenants Moreau and Schaltzmann are investigating the case with the support of two ex-superheroes, Monte Carlo and Callista. They'll do whatever it takes to dismantle the traffic. But Moreau's past resurfaces, and the investigation becomes more complicated.

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.