In this case, Feluda, Topshe and Jatayu go to Srinagar and Kashmir where they come across a spine chilling mystery. They meet a retired judge, Siddheshwar Mallick, and his group who have also come for a holiday. They travel together to Gulmarg, Khilanmarg and Pahalgam. The judge has given death sentence to many convicts in a career spanning three decades and wants to find out whether he had made a mistake in doing so by calling the spirits of those convicts by planchette. The judge suffers from angina due to which he had to voluntarily retire at the age of 65 and he has a son, who is addicted to gambling. He finds out that he had misjudged two of his cases, one of a Bihari and another of a Kashmiri. In the meanwhile, there are life attempts on the judge's son Vijay and on Feluda twice. Soon after, during Pahalgam visit, the judge gets murdered and a precious diamond ring worn on his right hand gets stolen.
