In which Ati returns to his neighborhood in Qodsabad, his friends, and his work, and discovers that the daily routine quickly makes him forget the sanatorium, his woes, and the dark thoughts that had troubled his ailing mind. But what is done is done, things do not disappear simply because we are far away from them; behind sovereign appearance lies the invisible, with its mysteries and obscure menace. And then there is chance, like an architect at work, coordinating everything with art and method.