Dhoom 2: Back In Action (Hindi: धूम २ [ˈd̪ʱuːm], also abbreviated and known as D:2, D2 and D2: Back In Action) is a 2006 Bollywood action film

directed by Sanjay Gadhvi and produced by Aditya Chopra and Yash Chopra at an estimated budget of Rs 350 million^.It is the second film in the Dhoom series. Abhishek Bachchan and Uday Chopra star in the film as buddy cops Jai Dixit and Ali, respectively. The duo attempt to capture Mr. A (Hrithik Roshan), a professional thief whose passion is to steal rare and valuable collectibles using high-technology gadgets.

In the second installment of the Dhoom series, Jai and Ali are back as the buddy cops on their toughest job so far. "Mr.A" is an international thief who has planned to steal a priceless artifact in Mumbai and the police have got to nab him. But Mr.A manages to steal the artifact and elude the police. He finds his match in Sunehri and they form a partnership. They move on to Rio for their next job, with Jai and Ali hot on their trail. Mr.A whose actual name is Aryan, and Sunehri are drawn towards each other but little does Aryan know of Sunehri's little secret.