Gumnaam

Khanna is a wealthy man who hires an assassin to murder the wealthy Sohanlal through a staged car accident. Days later, Asha wins a trip to an island in a lucky draw with six others: Barrister Rakesh, Dharamdas, Kishan, Dr. Acharya, Madhusudan Sharma and Kitty Kelly. They suddenly hear a woman's voice singing an ominous song. Diary reveals that they are all connected to a crime and are responsible for it.