The film tells the story of an old colonial house and how its inhabitants save it from the hands of money hungry promoters in modern day Calcutta.

The story of the film revolves around a cursed nightie which changes hands in a logical manner, not magically. The original owner of the nightie had experienced unfulfilled love, which ultimately led to a curse on it. A wannabe actress comes to Kolkata from a village in pursue of her career. She can cross all limits in order to become successful. She uses that nightie for seducing producers and she doesn't regret in what she is doing. The events that take place later form the climax of the story.

Mithi, a young woman, is determined to not change her surname after marriage. Her husband is meek but supportive and a true liberal. Her in-laws have a problem with it till the time, Mitali starts supporting Mithi in her quest, finding herself a comrade in the right cause where even she wants to keep her maiden surname now.

A dysfunctional family endures chronic illness, unplanned pregnancy, emotional instability, inappropriate affairs, and a host of other issues.

Barobabu is inspired by the life and work of Shishirkumar Bhaduri, the towering figure of Bengali theatre. Rather than a chronological biopic, the film delves into his emotional world — a complex weave of love, art, and personal turmoil. It explores his deep connections with two actresses, Prabha Debi and Kankabati, both significant in his professional and personal life.

Pinky, the daughter-in-law of Batakrishna Roy, an ex-colonel is troubled by the constant dreams of a mysterious caveman, who appears familiar to her.

A retired judge, Mr. Sen, living in a farming colony on the outskirts of Calcutta, contacts Byomkesh Bakshi to investigate an attempt to blackmail him. One day, the judge is found dead under mysterious circumstances, and Byomkesh takes up the case.

After a state of emergency is declared in 1975, Rahul, a naive young man, is inadvertently drawn into the midst of the Naxalbari movement when his father is picked up for questioning by the police.

Rohit, a Gujarati, studies the life of Anthony Firengee, and in the process meets with a mysterious man Kushawl Hajra.

Kheya, a theatre artist, faces challenges in her personal and professional life spanning from 1950 to 1970s in a world dominated by misogynistic men.