Makar Kanti Chatterjee is a semi-educated self-made businessman who tries hard but often fails to communicate in English. On the other hand, his brother-in-law, Suman, gets romantically involved with a woman married to a reticent forest officer, Ashoke Sanyal. The screenplay is based on the story, Baba Hoya and Swami Hoya, by Buddhadeb Guha.

Jaya Sen's life falls apart after her husband's death, leaving her battling illness and a deteriorating mind. Her son, Joy, sacrifices his dreams to care for her. Their world takes a hopeful turn when Aditi, a city writer, enters their lives. However, their peace is threatened by the sinister Trilok Halder, whose dark ambitions aim to destroy their happiness once again. As danger looms, Joy fights desperately to protect his mother and restore their lost peace.

Joy lives in London with his daughter. He wants his parents to stay with them in London, but his father, who runs a hotel in Kolkata, refuses to go to London.

Lawho Gouranger Naam Rey intertwines three timelines from Mahaprabhu's divine era to colonial theatre and a modern film set.