Plot
Iman Mukherjee aka Emon is a kind-hearted, studious, and short-tempered girl who aspires to be a doctor lives with her father Police Officer Jayanta Mukherjee in Sundarpur, a village in North Bengal. She is supposed to go to Kolkata to study in a medical college and to achieve this Jayanta decides to take early retirement from his job. On the other hand, Ranojoy Chatterjee aka Rono, a Kolkata-based IPS Officer decided to go to Jaisalmer on a vacation. On the trip to Jaisalmer, Ranajay meets Roopkatha. They develop romantic feelings but are unable to express them. As they bid adieu, Rono promises to call her.
Meanwhile, in Sundarpur, Iman is disturbed and tortured by Gogna, a local goon almost every day. Gogna is obsessed with Iman and wants to marry her. When Jayanta came to know about it, he arrests Gogna and punishes him in the police station. But then he receives a call from Akhil Ghosh, a minister and orders him to release Gogna. But when Jayanta refuses, Akhil and his goons came to the police station and starting wreaking havoc and held Jayanta at gun point. Iman comes to the police station and is shocked to see Jayanta held at gun point, when she came to rescue him Akhil's goons held her at gun point too. Akhil threatens to kill Iman if Jayanta doesn't release Gogna. Having no other choice Jayanta is forced to release Gogna but warns Akhil that one day he and Gogna will pay for their sins. To take necessary steps against Gogna and Akhil, Jayanta files a request for an IPS officer to be posted in Sundarpur to deal with those goons.
Ranajay gets posted to Sundarpur and learns about Gogna's misdeeds from Jayanta and warns him to stay away from Iman. Meanwhile, Jayanta decides to postpone his retirement to assist Ranajay in arresting Gogna. Iman is upset with this decision and blames Ranajay, leading to them having a heated conversation.
On the other hand, Ranajay's brother Badshah's is going to marry a dejected Roopkatha, who is sad as Ranajay didn't contact her and thinks him to be a cheater. Ranajay learns about Badshah's wedding and decides to visit Kolkata for a few days. He's shocked to see that Roopkatha is Badshah's bride whereas Roopkatha is also shocked to learn that Ranajay is Badshah's brother.
Ranajay confronts Roopkatha and while the misunderstanding is cleared, Ranajay refuses to break his brother's marriage but promises Roopkatha he would never love another woman. Meanwhile, Gogna decides to take advantage of Ranajay's absence and abduct Iman to marry her. When Jayanta was returning to Sundarpur from work, Gogna abducts him and takes him to his den. Iman worries about Jayanta when he doesn't return home and decides to search for Jayanta. When she goes out to search for him, Gogna abducts her too and takes her to a temple to forcefully marry her. The local villagers call Ranajay and informs him about Jayanta and Iman's abduction and requests him to come and rescue them. Ranajay leaves the wedding to return to Sundarpur making Roopkatha upset. Gogna threatens to kill Jayanta if Iman doesn't marry her, having no other choice Iman agrees to marry him. Ranajay and the local police reaches the spot before Gogna could marry Iman. Gogna tries to escape with Iman but is shot in the hand by Ranajay, who rescues both her and Jayanta. Roopkatha calls Ranajay to know why he left her wedding suddenly. Ranajay explains her the situation and again promises her that she will always have a place in his heart. Badshah overhears their conversation and decides to leave his house not wanting to get in between Ranajay and Roopkatha. Badshah told his family that he needs to go to an army operation, making them sad. His family get a call from Badshah's office and learn that he's missing, leaving them shocked. Roopkatha informs Ranajay about his brother's disappearance. Ranajay, extremely sad over his brother's disappearance, assures her that Badshah is alive and will return one day.
In Sundarpur, Ranajay, Jayanta and the police plan a sting operation to catch Gogna. Iman, being worried about Jayanta requests Ranajay to not include him in the operation but Ranajay refuses. Iman also requests Jayanta to not take part in the operation but he doesn't listen to her either, telling that he will retire after arresting Gogna. In the operation, Gogna shoots Jayanta leaving him injured. He is eventually arrested by Ranajay and the police and threatens Ranajay that one day he will come back for revenge and Ranajay will have the same fate as Jayanta. Ranajay takes Jayanta to the hospital where he requests Ranajay to look after Iman if he dies. Ranajay informs Iman about Jayanta's condition, a dejected Iman blames Ranajay and holds him responsible for Jayanta's condition. Despite the doctor's efforts, they were unable to save Jayanta and he died. Devastated, Iman tries to commit suicide but was saved by Ranajay, who donates blood for her. Villagers request Ranajay to marry Iman. Iman rejects the proposal but Rono decides to marry Imon to take care of her. He requests Roopkatha to visit Sundarpur but doesn't tell her about his marriage. Ranajay tells Iman of his commitment to Roopkatha and Iman agrees that she will not expect anything from him as a husband and tells him she can never be his wife and will leave him after she becomes a doctor. Roopkatha visits Sundarpur and is shocked to see that Ranajay and Iman got married. Later, Ranajay decides to return to Kolkata along with Iman. Ranajay's family members refuse to accept Iman as Ranajay's wife. Feeling betrayed by Ranajay, Roopkatha inflicts her frustrations on Iman. Ranajay gets emotionally attached to Iman seeing her efforts to help his family members, despite their behaviour towards her and subsequently falls in love with her, but cannot confess.
During Durga Puja celebrations, Iman helps Ranajay's sister, Koli, reunite with and marry her lover, Dipto. Emon brings Badshah back into the house. Badshah wants to free Roopkatha from their namesake relationship but she proposes they continue using it to stay close to Rono. Emon finally confesses love to Rono on his birthday. A devastated Roopkatha tries to accuse Rono of impregnating her but seeing Emon's faith in Rono's innocence, she backs down and is about to leave the house when she is asked to stay by Badhsah and the family. Gogna arrives at Kolkata and abducts Iman and misbehaves with her. Iman fought with Gogna and his goons and is eventually rescued by Ranajay, who arrests Gogna again.
Meanwhile, Ranajay's friend Krishnamoy, a naxalite, dies leaving his pregnant widow, Shruti, in Ranajay's care. Emon and the family suspect Ranajay of having an affair when he impersonated as Shruthi's husband and Shruti's child, Michhil's father, Emon files for a divorce. Ranajay is forced to leave the house and Shruti develops romantic feelings for him. Iman learns about her pregnancy, but is abducted by the supposedly-dead Krishnamoy who seeks revenge from Ranajay, having misunderstood his relationship with Shruti. Iman is rescued by Ranajay, whom she once again misunderstands and files a lawsuit against Ranajay for infidelity. In court, Ranajay is proved innocent and Iman repents for her actions. Also, the court declares Ranajay and Iman's divorce to be null and void. Ranajay goes to meet Krishnamoy to plead with him to change his ways for Shruti and their baby but Krishna, in a fit of rage, shoots Ranajay, who is saved after Shruti donates blood for him. Krishna is arrested.
Post recovery, Ranajay and Iman resolve their differences and reunite. Gogna returns again and kidnaps Iman, but is shot by Ranajay who comes to Emon's rescue. After Iman (now a medical intern) treats Gogna and saves him, he repents for his past actions and decides to mend his ways. Roopkatha and Badhsah confess their feelings for each other and decide to start out afresh.
Shruti is revealed to be in the last stages of breast cancer and is dying. When Ranajay is unable to make it to Iman's delivery, [7] [8] due to Shruti's operation, Iman breaks all ties with Ranajay and later, leaves for Ujanpur with her new-born daughter, Pekhom. Ranajay applies for a transfer to be with Iman and Pekhom. Shruti finally dies in Ujanpur Hospital [9] only after expressing her desire to Ranajay and Iman to reunite.
Later, Ranajay is forced to arrest Iman, regarding her role in the accidental death of a patient named Parasar. He arranges for her bail, and decides to find out the true culprits as well as the persons responsible for illegal trafficking of new born children from the hospital. Madhuparna defends Iman as her lawyer, and after Nurse Ratnabali is proven guilty, Imon is released. Iman and Ranajay finally resolve their differences and relocate themselves to Kolkata returning to the Chatterjee House.
Roopkatha grows jealous and agitated over Iman's happy and peaceful life, which she herself yearns for, having no children of her own. She acts out and to pacify her Iman gives her daughter Pekhom's charge to Roopkatha, who quickly becomes over-possessive of Pekhom. Krishnamoy too arrives, having been released from jail, to take his son Michhil back with him, leaving Ranajay heartbroken.
Iman plans a family trip during which Badshah suffers a heart attack and suddenly dies. A desolate Roopkatha blames Iman. Roopkatha attempts suicide but is rescued by Ranajay. After Roopkatha is diagnosed with severe depression, Ranajay stands by her to help her recover as she begins to seek him as the loved one to fill in her loneliness.
Ranajay's family wants Roopkatha out of the house to avoid any further tensions but Ranajay dismisses the idea. Iman and other family members feel insecure due to Ranajay's growing proximity towards Roopkatha, and everyone suspect them of having an affair. A mentally unstable Roopkatha assumes herself to be pregnant and believes it to be Rono's child leading a heart-broken Iman to leave the house with Pekhom and working overtime to make ends meet. It is revealed that Roopkatha is not pregnant and instead has a tumour in her uterus that poses a threat to her life. Roopkatha struggles to accept the fact and is finally made to the leave the Chatterjee house for her own betterment so that she can start her life afresh. Iman and Ranajay, however, remain separated.
Epilogue – five years later
Five years later, Roopkatha, now a college professor, meets Iman, now a professional doctor, to invite her to her wedding with Ranajay. Later, she visits the Chatterjee house to invite them to her wedding with Ranajay. Secretly, Roopkatha plans to reunite Iman-Ranajay by remarrying them on the day of her wedding and their 12th marriage anniversary. Meanwhile, Iman receives the Konya Rotno award. Imon, as per Roopkatha's request, manages to bring the Chatterjees to Roopkatha's wedding, much to their distaste, as all assume that Roopkatha is marrying Ranajay. However, Roopkatha surprises everyone by introducing Alok as her groom.
Iman and Ranajay have an emotional confrontation, marking their reunion, sorting out all their differences. His family members also realize his innocence and reunite with him, welcoming him and Iman back into their family. Lastly, Roopkatha, taking the heartfelt apologies, blessings and good wishes from the Chatterjees, marries Alok, marking a new phase in her life, as the series ends on a joyous note.
