The study of Shantiniket House was full once more. Police at the door. Family before the desk. The dead man’s chair occupied by no one. And in the center stood Devendra Sen , who regarded them all with the patience of a man waiting for a clock to strike. Inspector Harish Mehta broke the silence first. “Well?” Devendra folded his hands. “Mr. Raghav Malhotra was killed by poison placed in a mint. That much we know. But poison alone did not make this case impossible. Human vanity did.” He turned toward Arjun Malhotra . “You staged the false argument using a recorder lowered through the hidden flue. You wished to frighten your father and divert suspicion toward Vikram Suri .” Arjun lowered his head. “Yes.” “You did not know he was already dying.” Then Devendra faced Mohan Lal . “You poisoned a mint intending revenge, then repented and tried to remove it. Too late.” Mohan began weeping silently. “Yes, sahib.” Inspector Mehta frowned. “Then if these two are guilty ...