Olivier Grondeau, a French national who was detained in Iran without clear legal justification for over two and a half years, recently shared his story on the French television program "Parlons-en." His experience, which has drawn international attention, highlights the challenges faced by foreign nationals in countries with different legal systems and practices. Grondeau's account is also detailed in his book, "Joseph dans la nuit," published by Éd. L’Iconoclaste in 2026. The book chronicles his initial weeks in Iranian prison, a time marked by uncertainty, fear, and the harsh realities of arbitrary detention. He describes the psychological and physical toll of his imprisonment, as well as the lack of due process that characterized his experience. Throughout the book, Grondeau reflects on the role of art, language, and beauty as sources of resilience and hope in the face of adversity. He emphasizes how these elements helped him maintain a sense of identity and dignity during his time in captivity. His narrative not only recounts personal suffering but also explores the broader implications of human rights and the treatment of foreign detainees in Iran. Grondeau's story has sparked discussions about international relations, human rights, and the treatment of foreign nationals in countries with different legal frameworks. His book serves as both a personal testament and a call for greater awareness and understanding of the challenges faced by those detained abroad without clear legal justification.