After bringing down the man behind the Dhaka Attack, head of bomb disposal unit Abid Rahman learns that an invisible threat hovers over Bangladesh.

Nabid Al Shahriar is a conscientious police officer of Counter Terrorism and Transnational Crime (CTTC) unit of the Dhaka Metropolitan Police, trying to track down a group of terrorists, who want to create inquietude and rampancy of terrorism. To stave them off, he along with his associates tries to find out what they're up to.—Sanjana