A Madras Mystery opens with two young men exchanging a cryptic code about a location, in Chennai, to carry out their 'operation.' A string of abductions from various parts of the city sends tremors amongst the ruling class in Tamil Nadu.The State is embroiled in caste clashes and only a few months are left for the general elections. Power battle hots up within the ruling party as various heavyweights jostle for cabinet berths. As Ashwin IPS begins...