The novel focuses on a man searching for his wife in Istanbul, who disappeared without a trace. In his search, he discovers a secret, surreal world in the city and starts to understand his wife's involvement in political activism. The narrative is interwoven with stories from a column written by his wife's half-brother, which the protagonist believes may hold clues to her disappearance. The book is a complex exploration of identity, storytelling, and the role of literature in society.

This novel delves into the obsessive love of Kemal, a wealthy Istanbulite, for Füsun, a distant relative and a shopgirl, which begins in 1975 and spans over 30 years. After a brief affair, Füsun marries another man, but Kemal's love remains unyielding. He starts collecting objects that remind him of his love for her, eventually creating a museum dedicated to their relationship. Set against the backdrop of Istanbul's changing society, the story explores themes of love, longing, class, and the power of memory, as Kemal's life becomes a testament to his unattainable desire, encapsulated within the walls of his museum.