An expensive diamond gets lost at sea. The finder of the diamond splits the diamond into three and gives one piece to each of his sons. The first son loses his piece of the diamond while gambling, the second piece was stolen by an Army boss, and the third was taken during a murder. Two of the three diamonds were kept safe in a museum, the third's whereabouts unknown. The other two diamonds get lost in Cape Town.
A super thief, Karan (Ajay Devgan) gets four other top-notch thieves to help him get the three diamonds, Danny (Zayed Khan), Pooja (Esha Deol), Lucky (Ritesh Deshmukh), and Aditi (Dia Mirza). Angad (Sunil Shetty) is after the same diamonds and so is Karan's girlfriend, Shania (Shamita Shetty).