Till Marriage Do Us Part

The movie unfolds across several key locations: aristocratic Sicily where the marriage occurs, Paris for a pivotal honeymoon, Rome as Raimondo ascends in politics, and the African front during Italy's military campaigns. These settings highlight the clash between traditional aristocratic values and modern desires.

The story opens on a Sicilian estate, establishing the rigid social world that Eugenia must navigate.

The film is set at the dawn of the 1900s, spanning before and after World War I. This early 20th century backdrop places the story in a transitional era where aristocratic families navigated strict social rules while confronting evolving modern attitudes toward sexuality and gender roles.

The movie explores three interconnected themes: Forbidden Marriage, which examines duty versus desire within an arranged union bound by inheritance and decorum; Sexual Liberation vs Social Norms, focusing on women's agency and the battle between propriety and personal curiosity; and War, Death, and Aftermath, showing how WWI disrupts the old order and forces characters to confront mortality and sacrifice.

Eugenia di Maqueda is a noblewoman raised by nuns after being orphaned, who marries Raimondo Corrao only to discover on their wedding night that he is her brother. Bound by an arranged marriage and enforced chastity, her evolving sexuality drives a journey from duty to personal autonomy, revealing both vulnerability and resilience within the rigid aristocratic world.

Her orphaned upbringing by nuns establishes her naivety about the world's complexities.

Raimondo Corrao, the Marchese di Maqueda, is a nobleman whose public stature as a war hero and politician contrasts with private indulgences and a complicated marriage. His ambitions pull him between duty, politics, and affection, ultimately shaping the fate of those around him as he navigates between public honor and personal desires.

The film uses an arranged marriage between siblings who must live as siblings to spare scandal as its central premise. This setup creates tension between duty and personal desire, exploring how societal norms shape intimate decisions. The promise of legitimacy masks a deeper craving for freedom from rigid codes, making the marriage both a prison and a catalyst for personal liberation.

Silvanno Pennacchini, the family chauffeur, becomes a catalyst for deception and sexual exploitation in the narrative. His actions blur the lines between servant and seducer, propelling an unraveling of trust and revealing a greed that extends beyond personal desire. He represents how power dynamics within the household complicate Eugenia's journey toward autonomy.

Barone Henri de Sarcey is a suave French aristocrat who tempts Eugenia with fleeting passion, symbolizing outsider allure and the lure of forbidden pleasures. His presence exposes the limits and fragility of social boundaries, representing the external temptations that challenge the strict moral codes of the aristocratic world.

Italy's entry into World War I shapes the couple's fates dramatically. Raimondo dies on the battlefield while Eugenia serves as a nurse among wounded soldiers. The war disrupts the old order, forcing characters to confront mortality and sacrifice. Postwar Paris becomes a stage for lingering desire and unresolved relationships, with the resurfacing past complicating protagonists' paths and moral judgments.

Evelyn is a free-spirited journalist and friend to Eugenia who embodies modern attitudes and curiosity. Her perspective challenges conventional norms and widens the horizon for personal freedom, representing the emerging modern woman of the early 20th century who defies traditional expectations.

Paris serves as the pivotal honeymoon location where the central discovery about the siblings' true relationship occurs. It represents the cosmopolitan contrast to Sicilian tradition and becomes a stage for both the revelation of forbidden truth and later for lingering desires. Postwar Paris continues to feature as a location where unresolved relationships and past secrets resurface.

The letter from their libertine father arrives during the Paris honeymoon, revealing the truth.