In the heart of a bohemian Paris, a young violinist finds himself entangled in a stormy relationship with his wife, who is caught between her love for music and a wearisome disdain for a monotonous life. The story follows the life of this dysfunctional marriage as they grapple with jealousy and passion, all overshadowed by the powerful echo of a sonata that stands between them. Nights turn into a musical duel where the melancholy of the notes resonates with the ups and downs of their love life.
The arrival of a new friend, a charismatic and seductive pianist, ignites a spark of tension. Drawn to the violinist's skill and his wife’s beauty, the pianist manages to seduce her in an erotic dance of harmonies and emotional imbalance. The atmosphere becomes explosive as the frustrations of everyday life and artistic aspirations collide, pushing the couple to the brink of breaking apart.
As the music intensifies, so too do the mixed feelings of love, jealousy, and agony. Tragedy looms over them, revealing that unbridled passion does not always lead to delight; often, it leads to destruction. In a dramatic crescendo where the boundaries between love and pain blur, the characters must confront the truth of their emotions before the melody reaches its end.