Eken and Bapi travel to Bolpur for a quick getaway. Shortly after, a murder occurs.
Eken, Bapi and Rupal Mehra see that the red diamond is missing. Meanwhile, Suresh Mitra can't be found anywhere.
Following another death and the discovery of a cryptic clue, the police catch a suspect. But the case is far from closed.
Eken gets some vital information from a surprising source. Inspecting the earlier clue again reflects light on two more suspects.
Eken seems to have cracked the case. A leisurely night walk of Eken and Bapi turns into a thrilling chase.
Eken reveals to Bapi and Rupal the series of events that led to the two deaths.