Kolkata, formerly known as Calcutta, has been the hub of Bengali cinema for decades. Bangla movies, as they are affectionately known, have been a staple of Indian cinema, entertaining audiences with their unique blend of drama, romance, and music. Over the years, Kolkata Bangla movies have undergone significant changes in their portrayal of relationships and romantic storylines, reflecting the shifting societal values and cultural norms.

These movies often featured anti-heroes and flawed protagonists, who engaged in intense, passionate relationships that frequently ended in tragedy. The lines between right and wrong were blurred, and romance became a means to explore complex human emotions.

The 2000s saw a new wave of Kolkata Bangla movies, characterized by melodrama and sensationalism. Films like "Raj Chakraborty's Bhalobasha" (2005) and "Sujit Mondal's Hero 420" (2007) focused on extra-marital affairs, love triangles, and socially complex relationships.