An incident near the desolate Chhinnamasta temple on the rocky riverbank of Rajrappa leads to the death of Mahesh Chowdhury, the head of a Hazaribagh family. Adding to the mystery are a set of coded diaries, a valuable stamp collection that is missing and a tiger that is roaming the streets of Hazaribagh. One of Feluda’s most intriguing adventures, this shows the master sleuth at his best.