Brothers Tony and Noé pass the long sweltering summer days playing games of chance and death… until the accident that will change their lives forever. Ten years later, now young adults and back in Royan, their paths cross that of Cassandra, their childhood love. But even after all this time, the brothers are still hiding a secret…

Near the oldest bridge in Paris, the Pont-Neuf, Camille, a second-hand bookseller, crosses paths with Paul, an Eiffel Tower trinket seller. Over the course of one night, these two young souls give in to the captivating rhythm of the City of Light.