While staying in Delhi, RAHELA, a high society call girl, knows that her twin sister RAHI is dead in Kolkata. The two sisters, convent educated and beautiful, operate in high society circle and usually serve influential people. Their agent PETER calls RAHELA in the morning and tells her about the mysterious murder. The last evening RAHELA and RAHI, twin sisters, meet a wealthy but pervert industrialist, JACKY SEN, in a hotel. They do the videography of their sex acts and hand it over to their agent PETER. In a secret plan, JACKY's right-hand GRASS has made a deal with PETER to blackmail JACKY. However, the mastermind is a different person, an expert social engineer, and hacker SAMMY. He instructs GRASS to kill two sisters and PETER once he gets the video.

GRASS sends his men to kill them. They kill RAHI. Since RAHELA flies to Delhi after the job, they cannot find her. Finding RAHI's dead body PETER suspects GRASS and tells JACKY everything. He also warns RAHELA before getting killed. The hacker SAMMY gets every information by phone-phreaking and through his other contacts in Kolkata. He sends his men to kill GRASS to wipe out every evidence. JACKY's men go to pick up GRASS but find his dead body.

They come back with his laptop. JACKY hires a legendary hacker PG (Perfect Gentleman) who stays anonymous and comes out only in the disguise of an aged person. PG finds that somebody has already hacked the laptop and stolen the video. SAMMY, the killer hacker, now wants to kill PG before he finds anything more. PG hacks the laptop again and knows everything. He wants to save the other sister RAHELA. Will he be able to save her from the clutches of SAMMY and JACKY? Or SAMMY will kill him? Celebrated Hacker 'PG' tries to know the truth; he knows the murderous trail of a ruthless hacker-turned-killer-social-engineer. A breathtaking cyber chase begins.

Who will succeed first to complete the traceroute is the key to their survival.