Feluda, Topshe and Lalmohan reach Darjeeling on Pulak Ghoshal's invitation. The trio meet Birupakkho Majumdar during a stroll in the Darjeeling Mall.

Birupakhkho Majumdar reveals some uncanny facts about his life. Pulak Ghoshal makes Lalmohan an unusual but tempting offer.

During the shooting, Lalmohan overhears Birupakhkho berating someone. The next day, a piece of news leaves the trio in shock.

Feluda detects some crucial clues at the crime scene and also gets to know about Birupakhkho's dark past. An unknown man pushes Feluda off a cliff.

Birupakhkho's former doctor reveals the strained relationships in the Majumdar family. While Feluda interrogates the suspects, Topshe and Lalmohan discover something startling in the jungle.

Feluda rounds up all those with both motive and opportunity for murder and unmasks everyone one by one.