Ek Khoon Char Aaropi

Four men in a Sauna with their boss, the owner of the company. One of them is involved in a 15 crore scam which the boss is about to get to know. They had four props a book, a flask, a cell phone and an iPod. Neither is a weapon. But when the mist of the Sauna clears, the boss is killed with a deep wound impaling his neck. Only one of the other four could have done it. The cops do their research and arrest Roshan, who is involved in the scam. But KD feels otherwise.