Paris, 1989: Alone in her luminous apartment on Île Saint-Louis, Sylvie discovers a mysterious letter among her late lover Julien&;s possessions, launching her into a decades-old search for a child who vanished in the turbulence of the Second World War. She is unaware that she is watched over by Julien&;s ghost, his love for her powerful enough to draw him back to this world, though doomed now to remain a silent observer. Sylvie&;s quest leads her deep into the secrets of Julien&;s past, shedding new light on the dark days of Nazi-occupied Paris. A timeless story of love and loss, Haunting Paris matches emotional intensity with lyrical storytelling to explore grief, family secrets, and the undeniable power of memory.