A suspicious phone call received in the Agra jail, and two articles written by a retired Brigadier in a Pakistan newspaper, stir up India's Internal Intelligence Agency. Yashwant Narayan Godbole, the Agency's ace sleuth, connects the dots to infer that these innocuous events point to a more sinister and diabolical plot by the ISI, Pakistan's Inter-Services Intelligence. Based on Godbole's hunch, the Agency jumpstarts Project Mantra - a secret operation...