Five colleagues work in an ad agency out of which four of them try to make a deal which is in the wrong. The odd one out, Ranojoy, is called to the place of one of them and persuaded to support his other friends, but he doesn't relent. One colleague gets hyper and accidentally kills Rano in fit of rage. They then take his car, dump his body in the car and drive it off the road. It is later discovered by the police. Anindita (Koel Mallick) Rano's wife joins the agency later on and becomes a good worker. Janyanta (Babul Supriyo) one of those four colleagues is discovered dead in a car accident. Subhadwip (Saheb Chatterjee), the colleague who had killed her husband, tries to get close to Anindita not knowing her real intentions. One day when he invites her for dinner and she brings home cooked food for him, he has little meat and dies as it is poisoned. A retired cop cum investigator takes over the case. The remaining two colleagues, Deep (Tota Roy Chowdhury) and Kamalika (Sudipta Chakraborty) who are also husband and wife) and Anindita are sent Kuala Lampur on an assignment. They along with Anindita start receiving calls from a mysterious number. Deep decides to finish off Anindita. He and his wife take Anindita to a deserted place and he starts assaulting her when he suddenly receives a call from that number. He understands it wasn't Anindita, but someone else. The retired investigator P. R. Banerjee, (Who had followed them to malaysia as well as to the deserted place), land up at the same time and Deep tries to flee in his car, meets with an accident and both he and Kamalika (Sudipta Chakrborty) Perish. Anindita goes off to London to her sister.