Lakeer – Forbidden Lines

Karan (Sohail Khan) and Bindiya (Nauheed Cyrusi) are childhood friends and live with Karans brother Arjun Rana (Sunny Deol). Karans feelings for Bindiya are more than just of a friend, however she is unaware of his feelings and falls in love with Saahil (John Abraham) gradually. When Karan find this out, he warns Sahil to stay away from Bindiya but he doesnt and makes a love letter for her .The next day karan sees the letter and tears it apart then Karans friend Rony (Apoorva Agnihotri) humiliates him about falling in love with bandiya and being so poor .So Saahil gets angry and tries to kill himself.

However, when Sahils brother Sanju (Sunil Shetty)is an car mechenic he finds him unconscious and badly wounded, he cannot control his anger and goes looking for Rony. However, when Sanju gets to the college he sees Karan sitting down, wearing Ronys Jacket with his name on the back, starts beating him up in public. Karan is hospitalised when Sanju finds out that he has beaten Karan and not Rony. Now Arjun Rana who is a very powerful & wealthy communist and gangster wants to avenge Sanju for badly beating up his brother. However, Arjun is unaware of Bindiyas feelings for Sahil and Karans for Bindiya.

Saahil advises Sanju to give up his violent ways. Sanju hands himself to Arjun and gets badly beaten up by him. Saahil apologizes to Sanju. Saahil decides to leave Bindiya.Story moves 1 month later.

Saahil starts working in a cafe. Bindiya tries to meet Saahil everyday but Saahil escapese very time. But soon Bindiya and Saahil fall in love again. Sanju also approves her. Meanwhile, Karan returns from hospital and decides to meet Arjun and tell him about his love (Bindiya).

Arjun is happy to know that Karan is in love with Bindiya. That night, Rony challenges Saahil for a fight. Saahil beats Rony and loses him in fight. Meanwhile, Karan proposes Bindiya. She tells him that she considers Karan as a best friend but loves Saahil.

Karan becomes furious. After beating Rony, Saahil takes his gun to kill Karan. Sanju enters Arjuns bungalow to tell Arjun about Karans reality. He beats all the goons of Arjun. Arjun couldnt control and starts beating Sanju.

But Rony comes in aid and tells Arjun about Karans reality. Karans love turns to obsession and forces Bindiya to marry him on the spot. But Saahil reaches there. A dangerous fight ensues between Saahil and Karan. Karan hits Saahil repeatedly with an iron rod in the face and makes him unconscious.

Arjun comes there to rescue Bindiya and talk to Karan. Karan shoots Sanju on arm. Saahil regains consciousness. Karan is just about to shoot Bindiya and Saahil. Arjun shoots Karan with tears on his eyes.

Karan dies on the spot. Arjun is heartbroken. Saahil, Bindiya and Sanju apologise and pacify Arjun saying that he (Arjun) was not wrong.