Byomkesh insists on staying at the fortress to decipher the clues left behind by Ishaan Chandra. As he delves deeper, he unveils a series of intricate puzzles.

• Srijit Mukherji
• Sharadindu Bandyopadhyay

• Chandan Sen
• Anusha Viswanathan
• Debesh Roy Chowdhury