Eleni laughed. But at 11:55 PM, she stood among the columns of the Cistern, her portable seismograph humming. The tourists had gone. The water was black glass.

His final map was not of streets. It was of whispers.

The old cartographer, Dimitri, knew he was dying. Not from the cough that rattled his chest like dry leaves, but from the silence. For fifty years, he had listened to the stones of Constantinople. Not the tourist stones—the Hippodrome, the Hagia Sophia—but the unspoken ones: the cisterns, the forgotten gateways, the places where the earth remembered a name older than Rome.