Afşin, a secret agent working for the government, is ambushed by US agents during his last mission and sent to prison. While in prison, he learns that his wife has been killed by US agents and swears revenge. While in prison, Afşin undergoes training under the wise Akçakoca, gaining knowledge about Mevlevi philosophy and Islam, and even acquiring telepathic abilities. When he leaves the prison as Afşin, he has become Bendeyar. And the time for revenge has come...

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.

Turgut is an actor who performs in school shows to support his son Umut, earning a living by clowning around at parties. Umut's mother, Simay, left him and started living with someone else, enjoying her life. One day, in the middle of a show, he receives a phone call informing him that Umut has fallen ill at school and been taken to the hospital. Umut is diagnosed with leukemia. Now Turgut has only one goal: to find the money needed for his son's treatment. Meanwhile, years later, Umut's mother Simay reappears, complicating matters further for Turgut.