Mridul, a young man comes back to his ancestral home, from abroad after 10 long years. The last 10 years had been very unfortunate for him as he could barely make two ends meet in London, as he never could procure a permanent job. His elder brother Protul who took him there looked after him for 8 years. but the last two years saw Mridul in a disastrous state. His only source of income was playing the flute in the house of the rich and famous Banshiwala Bangla Movie.
So, Mridul comes back to sell off his ancestral home and with the substantial amount he hopes to go back to London, pay off his debts and start a business.
His ancestral house is a sprawling building but it deserted as his parents and elderly paternal uncle are all dead. The house is looked after by Haraprassana, the retired head master of the local school who was very closely associated with Mridul’s family from early days. Haraprossana has a daughter Lakshmi, who is unwed mother of a child. Lakshmi at present has a love and hate relationship with Dinu who is very close to the family, though they both know nothing will come off.
Mridul comes back and a memory of his early life comes back to him and with that comes dreams of a love life with his childhood friend Neepa, who used to call him Banshiwala. Mridul embarks on a journey to find out who was the father of Lakshmi’s son.
In the meantime, Mridul delves deep, back into his memories and finds out a vital truth of Banshiwala Bangla Movie