Themes to highlight include communal harmony, individual freedom versus societal expectations, and the impact of political events on personal lives. The title "3 on a Bed" metaphorically refers to the intertwining of three characters' lives and their struggles.

The plot unfolds through a non-linear narrative, juxtaposing moments of intense intimacy with the mundane realities of urban life. The characters grapple with their identities and the definitions of love and companionship, challenging the heteronormative constructs prevalent in mainstream Bengali cinema. The film does not moralize the actions of the characters but rather presents an objective study of their emotional vulnerabilities and the consequences of their choices.