Sarod player Pablo Dutta's wife Malini is the prime suspect in his murder. Things become worse when the Dutta family enlists a formidable criminal lawyer to prove Malini guilty.

The ruthless prison environment leads Malini to make a drastic move. Amidst the old bitterness with Sitaram, Malini's desperation drives Achinta to take up the case.

When Sitaram is determined to ensure the harshest punishment for Malini, Achinta discovers some facts about Pablo that can turn the case around.

Achinta begins to keep tabs on Srijita's whereabouts. On the first day of the trial, Sitaram tries to quell Achinta by hitting a raw nerve.

Sitaram tries to intimidate Achinta, but not enough to stop him from gathering vital evidence. Things take a new turn when the main eyewitness recants her statement.

Achinta delves into the dark underbelly of the Dutta family's history. A furious Debnath pressurises Sitaram to stop Achinta at any cost.

Pablo's murder mystery takes a new turn when a two-decade-old unsolved murder case suddenly comes to light.