Zeynep and Yıldız are two sisters who are very fond of each other but whose dreams are completely different.
Their life changes when Yildiz meets Ender Argun, the queen of the Istanbul's high society, who decides to use Yildiz to get rid of her husband Halit Argun.
Contemporarily the company that Zeynep works for is bought by Alihan Taşdemir, an arrogant, witty, rich businessman. The contrasts of Zeynep and Alihan soon turn into a fiery attraction and a beautiful love story. What Zeynep does not know though is that Alihan is Halit's business partner and also his ex-wife's brother. Yildiz's decision to get rid of Ender and get Halit to marry her will this way affect not only her life but also Zeynep's.
Eylul the stubborn, school girl turns up to be a strong professional doctor by the help of her teacher Ali Asaf. After years of separation they meet up again but not as a teacher and student, instead as surgeons working side by side. Their love is met by many challenges and the inner conflict of the stubborn women who refuse to yield easily to her heart, refusing to repeat the miserable story of her dead mother.