In a world shaken by an epidemic of madness that spreads through speech, Murat is the only immune person. As he searches for the secret of his mysterious immunity, his “hot skull", he has to leave the safe zone and embark on an adventure within the ruins of Istanbul.

Veli Tanyeli, who died after a heart attack, is brought to the ghusl room before his burial, all the conflicts that have been hidden amongst the family came into light. Nermin, who has been imprisoned in an unhappy marriage for years, decides to settle the years after the death of her husband Veli in the ghusl room. Nermin's confrontation with Veli is actually a confrontation with herself.

In a world shaken by an epidemic of madness that spreads through speech, Murat is the only immune person. As he searches for the secret of his mysterious immunity, his “hot skull", he has to leave the safe zone and embark on an adventure within the ruins of Istanbul.