Gangster is an Indian (Bengali) film of romance thriller genre directed by Birsa Dasgupta with Yash Dasgupta and Mimi Chakraborty in the lead. A tale of love, passion, heartbreaks and revenge. The film was extensively shot in various locations of Turkey and some portions in Kolkata.

Dhananjoy's story is based on the conviction of Dhananjoy Chatterjee, accused for the gruesome murder of Hetal Parekh, which took place in the year 1990. On the basis of circumstantial evidence and on the basis of the deceased mother's statement, Dhananjoy Chatterjee a security guard, was executed and hanged to death on the early hours of 15th August 2004, after serving imprisonment for 14 long years and after having appealed to all levels of court in the country; and finally, to the President of India.

Because of a train strike, a group of tourists, mostly unrelated to each other, get stuck in New Mal Junction. These people are honeymooners (Saheb and Mimi), family vacationers (Pallavi Chatterjee, Koushik Banerjee, Tridha Choudhury), an ailing mother and her son (Lily Chakraborty, Kaushik Ganguly), a priest (Ardhendu Banerjee), a heroine and her abnormal brother (Gargi Roy Choudhury, Rajdeep Ghosh), one trekker (Kamaleshwar Mukherjee), a bus conductor (Rudranil), and a retired teacher (Maasud Akthar). One of the tourists, the priest manages to arrange a bus from the church for them to reach North Bengal. The other tourists also join him in the bus trip, but unfortunately the bus meets with a terrible accident. It falls off a cliff into an abyss, but the tourists survive with minor injuries. Injured and traumatized, they realize that they have become completely detached from any form of human contact.

To please his dying daughter, a father tries to create the Durga Puja festival, usually held in October, during the month of April, in Kolkata.