Bombay, 1950. A 600 year old copy of Dante's Divine Comedy has disappeared, along with scholar and war hero, John Healy, who had the manuscript in his care. Uncovering a series of complex poetic riddles, Inspector Persis Wadia thinks she needs help. Persis is joined by English forensic scientist Archie Blackfinch, and in this sequel to Midnight at Malabar House, they are up against someone who will stop at nothing to possess this priceless relic.