Up the stairs.Fourth floor: a corridor, offices, and a door marked INFRASTRUCTURE — AUTHORISED ACCESS ONLY with a keypad and a card reader. The keypad was an older model, the kind she had seen in enough offices to know that the most common override was the emergency fire code, which was standardised across most building management systems in this class of commercial property.She typed: 2580. The default. The door did not open.She typed: 1234. The door did not open.She typed: 9999. The door opened.She went in.Server rack B. Third from the left. Bottom shelf.The drive with red tape was there. It was the size of a thick paperback book — a portable external drive, red electrical tape wrapped around it three times. She put it in her bag under the photo and the book.She was back at Arjun's desk in four minutes."I think I have everything," she told Pooja. "Thank you so much."She was in a cab to the hotel before anyone checked the server room.