Two brothers lived happily with their married sister. Once they both got married; motivated by their wives, one choose the path of honesty and hardship and the other one became corrupted.

After the declaration of Bangladeshi independence, the war of liberation begins. West Pakistani troops detain Captain Asad and a soldier but Asad escapes from the local prison. West Pakistani troops searching for Asad arrive at his house with Razakar Daliluddin and snatch his sister's friend Rikta from his mother. Asad returns home and learns everything from his mother. Asad joins with Major Hassan and they conduct a military operation to liberate his village and rescue the tortured Rikta from West Pakistani troops. They win the battle. For nine months Asad fights with the freedom fighters and liberate Bangladesh from West Pakistan, undergoing for many hardships.

Sangam is a Pakistani Urdu film released in 1964, directed by Zahir Raihan starring Rosy Samad, Khalil, Haroon Rashid and Sumita Devi. This is the first full-length colour movie made in entire Pakistan. This was the fourth film by Zahir Raihan (1935-1972) who later went on to direct more films in Urdu and Bengali during the 1960s. Zahir Raihan became one of the most important filmmakers of East Pakistan, which later became Bangladesh in 1971. Although Sangam was an Urdu film, but most of the cast, playback artistes and crew were from the Bengali-speaking Eastern province.

An in-depth look at the lives and struggles of a fishing community living by the River Titas in Bangladesh after the Partition of India in 1947.