The film revolves around four central characters. Arunabha Mitra is an affluent middle-aged man. Rinka is Arunabha's daughter. Arunabha has two sisters, Srimati and Payel. Subhankar Bose is a playboy.
The film is about relationships, romance, fate and deceit. The film also explores how people are sometimes too quick to suspect their loved ones, sometimes reaching conclusions too fast.
Bhorer Alo is a story of how a person's ungracious actions in the interest of protecting his family leads to turmoil in the lives of many people.