In a sunlit, politically charged Rome, Cristina, the princess of a fictional realm called Saint Tulipe, accompanies her father, Gustavo VI, as he seeks a loan from Italy’s national bank to steady a faltering economy. The journey is part diplomacy, part escape hatch for a young royal tired of protocol. Feeling confined by palace life and official duties, Cristina slips away from the embassy to glimpse the city’s pulse up close, and her wandering mood quickly turns into a personal quest for freedom.
On a crowded sightseeing bus, she encounters Barnaba Cecchini, a cheerful ATAC driver whose easy charm and warm smile spark an instant connection. Drawn to her in spite of the hauteur that often surrounds royalty, he becomes her unofficial guide, sharing the ancient stones of the Forum and the other hidden corners of Rome as if the city itself were a confidant. What begins as a flirtation soon deepens into something more intimate, and the two strangers begin to see each other beyond their entrenched roles.
That night, after a lighthearted, almost playful interlude at his apartment, Cristina’s true identity remains a secret as she leaves without a word to her new companion. She departs with her entourage of bodyguards, the affair kept hidden from both her companions and Barnaba. Yet the memory of that brief, personal moment lingers, and Barnaba’s curiosity about this mysterious young woman grows into a stubborn resolve.
When Barnaba finally pieces together who she is—spurred by a televised report of her stay in Rome—he dares to dream bigger than his humble station. He boldly asks for her father’s permission to marry her, a request Gustavo initially rebuffs. Undeterred, Barnaba devises audacious schemes to prove his worth: he even appears at a royal banquet in his ATAC uniform and engages in high-stakes political conversations with a room full of international dignitaries, using wit and grit to bridge the gap between class and court.
Although Barnaba wins Cristina’s genuine affection and earns the initial approval of her father, the country’s financial crisis nonetheless tightens its grip on the royal family. With debts mounting, Gustavo contemplates an arranged marriage between Cristina and an arms manufacturer as a strategic fix. This threatens the couple’s future and tests Cristina’s resolve to choose love over lineage.
Refusing to surrender to circumstance, Barnaba rallies the people of Rome to support his beloved by appealing for donations to relieve the royal debt. The public response is swift and surprising: a surge of generosity from citizens that effectively cancels the looming debt and undermines the proposed arranged match. In a decisive turn, Gustavo’s stance softens, granting his blessing for a possible marriage between Cristina and Barnaba.
The story unfolds as a delicate balance of romance, political pressure, and public opinion, set against a city that moves between centuries of tradition and the immediate demands of a modern crisis. It is a tale of how love can challenge dynastic plans, how ordinary citizens can become a catalyst for change, and how a single, transformative choice can redefine a family’s future in the shadow of a national economy and a royal legacy.