In early 20th century France, two inseparable friends, Jules and Jim, forge a friendship that can withstand anything. Jules is a shy and sensitive Austrian, while Jim is a charismatic and dreamy Frenchman. The story begins when both fall head over heels in love with Catherine, a strong-willed and impulsive woman who does not believe in traditional love. With her free spirit and unyielding desire to challenge social norms, Catherine becomes the object of their devotion and restlessness.
The relationship among the three is a whirlwind of emotions, as Catherine oscillates between her love for Jules and her attraction to Jim, immersing them in a dance of passion and jealousy. As the shadows of World War I loom over Europe, the lives of the three friends are dramatically transformed. Each must confront their own desires, insecurities, and the inevitable loss that the war brings.
With an innovative cinematic style and a poetic narrative, the film explores these complicated ties of friendship and love. The intensity of their encounters and misunderstandings resonates within a context of social and political upheaval, as the characters navigate the instability of their feelings. In the end, Jules and Jim face the harsh reality of their choices and the impact of their love for Catherine, a woman who can never truly be theirs. In their pursuit of happiness, they will discover that love can be as beautiful as it is destructive.