Aakhir Kyon?

Nisha is an orphan who is adopted by relatives and raised alongside her cousin Indu. The sisters share a close bond while navigating family expectations and growing up together. This dynamic sets the stage for later conflicts over love, marriage, and independence.

Indu falls for Kabir, a rich and charming man who ends up marrying Nisha. Indu is dismayed by the outcome, while Nisha remains largely unaware of Kabir's true nature. The household's harmony soon masks underlying tensions.

Kabir maintains affairs with other women, often justified by business trips. Nisha is unaware of his infidelities, continuing to trust him. The marriage wobbles beneath a cheerful surface.

Nisha becomes pregnant, and her doctor deems the pregnancy complicated. The news raises hopes and fears within the family, prompting questions about responsibility and traditional roles. Kabir’s distant attitude hints at the strain to come.

Indu's mother asks Indu to move in with Nisha and Kabir to assist during the pregnancy. Indu's presence intensifies the tension as she grows closer to Kabir. The family dynamic becomes more crowded and complicated.

Indu begins an extramarital affair with Kabir, exploiting Nisha's restricted life and trust. Their secret relationship strains the marriage and family members who sense something is wrong. Nisha remains largely unaware as the romance deepens.

Nisha delivers a baby girl, bringing joy amid the mounting turmoil. The infant symbolizes hope but also underscores the consequences of the adults' choices. The family is forced to confront responsibility for the child.

Nisha discovers the affair and confronts Kabir and Indu about what has happened. Kabir refuses to end the affair and tells her to adjust to the situation. Nisha leaves the house, handing over her daughter's care to the maid.

Nisha begins to build a life on her own, struggling to survive in a male-dominated world. She focuses on her work and becomes a successful author, proving her resilience. Along the way she befriends Alok, who supports her journey.

As Nisha rises professionally, Kabir worries about affording his daughter’s marriage prospects. Nisha rescues him by selling the publishing rights and directing the royalties for life. Kabir apologizes for his past mistakes and repents, but Nisha declares she has moved on and wants her daughter to grow up without her mother’s pain.

With her daughter nearing marriageable age, Kabir's financial concerns begin to ease due to Nisha's royalties. He acknowledges his faults, and a fragile reconciliation begins, though Nisha remains emotionally distant. The daughter remains central to the evolving dynamics.

Alok approaches Nisha with a proposal to make their relationship formal. Nisha resists, holding on to her traditional values. In a charged moment, he asks Akhir Kyon? and then applies sindoor, testing her resolve.

Ultimately Nisha's resilience defines the ending: she moves forward, protecting her daughter's future from the pain of her mother's past. She chooses autonomy and personal integrity over acceptance of the old family patterns. The film ends on a note of hard-won independence rather than sentimental reconciliation.