Three orphans Arun, Barun and Kiranmala set out to search for their parents. While doing so, they face many challenges but receive help from the fairy spirits.

Sarbari and Saibal are both successful doctors and in love. However, Saibal comes from an affluent family, while Sarbari has to provide for her poverty stricken family, including her invalid father.

Aparna's father, a police officer, fixes her marriage of his own choice. Aparna does not agree with her father and she flees from home. Her father arrests Aparna's friends and interrogates them one by one.

Shipra is a poor woman who is molested and killed as she witnesses corruption. The police and lawyer Somnath take up the case and slowly dig into it. He traces the corrupted policeman and comes to know that Karuna, the head lady of the orphanage where Shipra used to live is equally involved in female trafficking. However, when he sees Karuna his world is turned upside down. Karuna is Shukla, Somnath’s long-lost wife. Circumstances had led her to become a puppet in the hands of the gangsters. However, she is to keep mum about the entire conspiracy, lest they kill her only daughter. Somnath gives assurance to Karuna to speak the truth. She does that and, in the end, the entire gangster network is caught. Karuna’s daughter is proved to be Somnath’s daughter. They get together again.

Anish Mitra, an affluent personality, does not wish to pursue a family life. However, on one of his vacations, he ends up sharing an intimate relationship with a young woman.

Arjun is a very lonely person. He doesn't know what life is. Every day for him is a struggle. So, he becomes a criminal. Jail is a safe custody for him because food is always available in jail. So, he tries to return to the place, but all his efforts are gone in vain, then he travels to a place and meets a father. He is the principal of a missionary residential school. In that place, Arjun meets Miss Chatterjee, a teacher. At first, she doesn't like him, but shortly after she starts to realize Arjun's quality. Arjun is also a very good singer, but again for his bad reputation police catch him and send him to jail. In court some students support him and thus all the misunderstandings are solved and the truth prevails.

Sansar is a social drama that shows the story of a happy family. Though Shanti is the second daughter-in-law of the house, she is given the responsibility of the house. She helps her husband with money by selling her jewelry to make a machine. Subhas, Shanti’s brother-in-law helps her in this matter. One day in shortage Shanti with the help of Subhash kept her sister-in-law’s gold necklace in stake without informing her. Conspiring Subhas, Satyen, and Subodh were sent to jail by Ajit. Due to the shortage of money, Satyen had to sell the machine to evil Ajit. But in prime time, Ajit’s uncle came to know the matter and rescued Shanti’s family from danger. The film ends on a happy note where all the dangers are removed from the family and they live peacefully, clearing up all the misunderstandings against each other.