Suhani Srivastav, an average looking yet free-spirited and kindhearted girl comes from a middle-class family in Allahabad. Her best friend Soumya Ahuja is a beautiful and slightly vain girl. Yuvraj Birla, a rich boy who values beauty above all else falls in love with Soumya.

Yuvraj confesses his love to Soumya who is shocked since she had assumed he loved Suhani because of being in love with Krishna Mathur. Soumya marries him against her mother's wishes but his mother Latika and sister Rakhi hate her causing frequent arguments between the couple.

Desperate to settle Suhani into a comfortable household, her father Pankaj works up a plan to blackmail Yuvraj into marrying Suhani and succeeds though his grandmother Chandrakala hates Suhani thinking her beauty is enough.

Yuvraj's sisters-in-law Menaka and Ragini convince Chandrakala to bring Soumya into Yuvraj's life. Suhani brings Soumya believing Krishna tortures her. Chandrakala, Ragini and Menaka try to get Soumya and Yuvraj together. Soumya falls in love with Yuvraj and confesses but he reveals he now has no feelings for her.

Adamant, Soumya continues her efforts. Yuvraj discovers her intentions. Suhani finds out and is heartbroken but works closely with Yuvraj to get Soumya back with Krishna and eventually succeeds. She leaves the house believing there is no love in her marriage.

However, Suhani agrees to return when a man named Mr. Saxena threatens the family. She succeeds in saving the family and its reputation. Chandrakala's close relative Rohan, a lawyer falls for Suhani. They decide to marry but Yuvraj realises he loves Suhani. Rohan steps back.

Suhani's sister Bhavna gets widowed as her husband Amit Joshi dies. Yuvraj's cousin Sharad marries Bhavna and brings her and her baby. Chandrakala tries to create rift between Suhani and Bhavna. At an outing, a young girl saves Suhani's life. Suhani discovers her being Yuvraj's long-lost sister Gauri.

Suhani and Yuvraj work hard to prove Gauri's identity. As Gauri falls in love with Suhani's brother Aditya and they marry, Suhani and Yuvraj decide to use a surrogate through a woman Barbie who tries to separate them and later abducts Suhani who everyone presume dead.

Chandrakala forces Yuvraj to marry Barbie. Suhani returns and reveals Barbie is faking her pregnancy who is thrown out of the house. Suhani and Soumya are revealed to be pregnant. Barbie and her brother Saajan plant a bomb in the Birla house. Krishna and Gauri die.

Seven years later
Suhani has twins Yuvaan and Yuvaani. Because of separation, Yuvaan lives with Suhani and Yuvaani lives with Yuvraj. Soumya lives with the Birlas with her daughter who is also named Krishna. Yuvraj left Suhani holding her responsible for the bomb blast because she had let Saajan stay.

Suhani has become a successful fashion designer, discovers that Yuvaani is alive and visits the Birlas. Yuvraj and Suhani decide to remarry for the sake of their children. On the wedding day, Chandrakala replaces Yuvraj