Mahendra Kumar Choudhuri, the middle prince of the Bhawal Estate was affected by syphilis and was taken to Darjeeling for treatment. He apparently died in Darjeeling and was cremated there. After 12 years, a Sanyasi shows up at the estate, arousing people’s curiosity and leading to a rumour that he is the lost prince of the Bikrampur Estate.

Sona Da, Abir and Jhinuk come across a riddle that turns their vacation into a dangerous quest for the hidden treasure of King Shashanka, one of the best-kept secrets of Bengal.

Hunting for hope in a city ridden by immorality, young Kedar Barua is tickled into madness by ghosts of the past. Paro's love brightens his path to liberation, but a nefarious, superhuman vigilante emerges from the dark.