Northern Italy, 1983. Elio, a 17-year-old, spends the summer at his family's country house--a villa surrounded by captivating Mediterranean landscapes that radiate a serene vibe. Apart from his parents, there is also Oliver, a 24-year-old American doctoral student working as an intern. Soon, Elio and Oliver develop a timid friendship and an unexpected bond forms. And against the backdrop of incurable summer ennui, the unexplored emotions of first love boil over after six ephemeral weeks. Could this sun-kissed romance in Lombardy be the prelude to maturity?