An old lady, Shobharani Basu, is found dead in her apartment. A self-appointed private investigator calls it a murder. What could be the cause of her death?

The story follows five individuals stuck under the same roof during the COVID-19-driven country-wide lockdown. The fear of death connects the people otherwise divided by social and economic barriers.

Raj and Neel go to the same college and their ailing friend Chayan suffers from a fatal disease.