In a dystopian world, as an epidemic spreads through verbal communication, a tyrannical institution pursues a linguist immune to the disease.

Set in a World shaken by an epidemic of madness that spreads through language and speech, the reclusive former linguist Murat Siyavus, having taken refuge at his mother's home, is the only person mysteriously unaffected by this disease. Hunted by the ruthless Anti-Epidemic Institution, Murat is forced to leave the safe zone and flee within the flames and ruins of the streets of Istanbul, where he searches for the secret of his "hot skull" a lasting mark of the disease.