The world's oldest desert, the Namib - A solitary railway line - A royal family on a royal journey. From the sky - like lightening - A flash - the centuries old royal crown is stolen. Back in action - DHOOM:2 reinvents the action comedy genre and propels it into the 21st century. Ali's (Uday Chopra) dream of becoming a police officer has come true. He is now ACP Jai Dixit's (Abhishek Bachchan) right hand man. Together they are trying to keep a tight leash on the crime in India, little do they know what they are going to be up against. Enter Aryan - Mr.A (Hrithik Roshan) A high tech international thief after pulling off a series of impossible heists all over the world. His next target is Mumbai, India. The case is given to ACP Jai Dixit and Ali helping them put the pieces of the puzzle together is ACP Shonali Bose (Bipasha Basu). For the last two years Shonali has been tracking these amazing thefts and is now an expert on this thief, who no one has seen. Once in Mumbai Mr.A finds his ... Written by Official Source