Théo and Hugo meet in a club and form an immediate bond. Once the desire and elation of this first moment has passed, the two young men, now sober, wander through the empty streets of nocturnal Paris, having to confront the love they sense blossoming between them.
Instead of enjoying her vacations in a peaceful peninsula of Turkey, Anna feels stuck in a strange torpor, while her boyfriend, Thomas, doesn't seem to notice it at all. Later in the afternoon, when a little girl suddenly disappears on the beach, Anna awakens and decides to go and find her, despite the unknown and the nightfall.
Florence, a teacher and researcher, uncovers with astonishment an anachronistic engraving - in modern French - on a Gallo-Roman fresco she just digged up. When she realizes this engraving is really from Antiquity, her rationality is put to the test.
