Mystery's afoot in Chinatown when a rich woman (Isha Koppikar) is murdered and the list of suspects (including Shahid Kapoor, Kareena Kapoor and Johnny Lever) is longer than a dragon's tail. When a casino owner turns up dead and a mysterious suitcase becomes evidence, the investigating officer (Akshaye Khanna) must identify the killer from a host of possible culprits, including a playboy, a drunk, the domestic help and the owner of the suitcase.