After the First World War, the Allies occupy Istanbul. The protagonist, Yandim Ali is a rogue, discharged from the navy, who doesn't believe that the country can be saved, until he meets Mustafa Kemal (Ataturk), who plans to start a resistance in Anatolia against the occupying Allies, as well as the collaborators of an Ottoman government, that exists only on paper.

“Hür Adam” or “Free Man” in English is the real-life story of a very influential Kurdish scholar in Turkey that had lived between 1877-1960, 'Said Nursi'. A writer, philosopher, and philanthropist, he compiled many books on Islam covering various themes of faith, brotherhood, and philanthropy and exploring the reasons behind societal weakness, poverty, ignorance, and divisions.

Aykut moves to a new private school in the middle of the year with his father, who is the principal. There are two separate groups between girls and boys at the school, which Aykut's father Nurettin tries to keep in line. The girls' group is 'Adab-ı Muaşeret' and the boys' group is 'Mokokolar'. Groups where not everyone is accepted are feuding mischievously among each other. A love affair begins between Aykut and Zeynep, the leader of 'Adab-ı Muaşeret', but they both have reasons to keep this love secret.

Kelogan fights the black prince to serve justice.