|John Abraham||Samir ``Sam'' Shaikh|
|Katrina Kaif||Maya Shaikh|
|Neil Nitin Mukesh||Omar Ehzaz|
New York cab driver Omar has been set up by the FBI because they want him to spy on an old friend of his, Samir, who they think is a terrorist. As Omar recounts his relationship to Samir, which began nine years prior, he reflects on his friendship with Samir's now wife, Maya, and how their lives were changed after 9/11. After Omar elects to become an FBI spy, he learns that this isn't the first time Samir has been targeted by the government.