Having lost his wife eleven years ago, Adnan devoted all his attention to his daughter Nihal and his son Bülent. Adnan, who lives in one of the most prominent mansions along the Bosporus in Istanbul with a relative's son Behlül, and his children's nanny, meets Bihter who is also a socialite couple's daughter she is very elegant and beautiful, everyone who meets her get stunned and jealous of her, and he falls in love with her. While searching for peace, safety and happiness in Adnan's mansion, Bihter meets passion. Behlül and Bihter fall completely into each other and become drowned by their infatuation with each other. Their secret love affair will soon affect every member of the family.

In the story that begins in a suburb of Istanbul, the events between Kenan Cesur, who shouldered the burden of a momentary mistake, and Zeynep proceed with an adventure full of ambition, passion and regret. Imam Yusuf and Teacher Nilüfer, on the other hand, become a beacon of hope for the young people whose dreams are gradually disappearing in the dark road they enter by saying “Nothing can happen for once”.

The life of Osman Bey, the son of Ertugrul Gazi and the founder of the Ottoman Empire.