Shocking murder with multiple eyewitnesses. Sole suspect in the apparent open-and-shut case hires Achinta Aich, a notary lawyer with limited resources. Achinta's pursuit of justice exposes a web of secrets and sins concealing the truth.

Ekendra Sen was enjoying his vacation in Rajasthan with Bapi and Pramatha, suddenly a Professor of Archaeology at Oxford University Shatadru Ghosh informs him about his suspicion that a particular idol he had seen in London went missing.

Eken Babu arrives in Benaras with Bapi and Pramatha and soon finds himself entangled in a perplexing mystery. Strange coded messages lead him to a sinister conspiracy threatening the Masaan Holi festival. Racing against time, he must outsmart shadowy figures to save the sacred city from chaos.