Amarnath (Rajat Ganguly) is an opposition party leader and wants to stage his own attempted assassination to garner the sympathy vote in the upcoming election. His colleague Shubhankar Banerjee (Biplab Chatterjee) hooks him up with Raja (Jeet). Ganguly is killed by Joy (Indrajit Chakraborty). Police immediately surround the skyscraper. Raja assumes that Joy has died in the accident. Raja goes to the top of the building with the police in pursuit. A passing train offers Raja an escape with a rope to land on the train.

The movie revolves around Chengiz, an underworld mafia from the 1970s to the mid-90s that ruled the streets of Calcutta.

A scientist with a brilliant brain builds a humanoid robot. But a series of events leads to thrill and comic situations that create a boomerang effect.