Gabrielle and Yoan are 18 years old. Even though they both grew up in Temiscamingue, their aspirations are opposite. While Yoan wants to leave the area to break away from his loneliness and explore his homosexuality, Gabrielle is torn at the thought of going over a hundred kilometers away from home to carry on with her studies.

While summer is in full swing, Passage paints a poetic portrait of these two protagonists transitioning into adulthood, trying to blossom and chart their own path.