It is the story of Zoya Farooqui (Surbhi Jyoti), NRI from New York who comes to India, Ayaan Ahmed Khan (Rishabh Sinha) / (Vikrant Massey) charming boy, Asad Ahmed Khan (Karan Singh Grover) / (Raqesh Vashisth) who learns to love and falls for Zoya, Haider Shaikh (Mohit Sehgal) and Humaira Haider Sheikh(Ketki Kadam). The story ends with Tanveer killing Asad and Zoya. The story takes a 20-year leap, and reflects the lives of Asad and Zoya's twin daughters Sanam and Seher(Surbhi Jyoti), Aahil Raza Ibrahim(Karanvir Bohra), a rich businessman, Rehan Imran Qureshi (Shehzad Shaikh), Tanveer(Amrapali Gupta), Haya Rahat Ansari(Surbhi Chandna) and Rahat Ansari(Deepak Wadhwa) . It emphasizes the unconditional love of Sanam and Aahil. It ends with Tanveer's death and reunion of Sanam and Aahil. In the third season, the story starts with reflects the incomplete love of Aahil and Sanam, life of Shaad Aftaab Khan(Varun Toorkey), Sanam's revenge for her sister, husband and her family. The story ends with Sanam punishing the murderers of Aahil who are Shashi Kapoor, Saif, New Sanam and Razia and Sanam's death. However, she is unable to kill New Sanam and commits suicide. The story takes a 25-year leap, reflects the lives of New Sanam/Khan Begum (Additi Gupta), Sanam's reincarnation Mahira and Armaan Raza Sheikh (Avinash Sachdev), new Sanam's long lost son who develops feelings for Mahira after getting a heart transplant from his brother and Mahira's ex-husband Azaad (Rajbeer Singh), who was a vampire. It first focuses on the love story of Azad and Mahira later it focuses on Armaan and Mahira's love story. The story ends by Armaan and Mahira remarrying and saying "Qubool Hai".
