It is about a British-Bangladeshi woman named Zara who relocates to Bangladesh after inheriting a stake in a mysterious supernatural detective agency in Dhaka.

She meets young supernatural investigator Abir Zaman (Sayed Babu), his uncle Ferdous Zaman (Rahmat Ali) and his cousin sister Laboni (Arabi Rahman) and is thrown into his world of supernatural mystery, magic and adventure.

[8] The series was part of Mott MacDonald's £50 million nine-year programme since 2007 aimed at teaching many of the poorest people in Bangladesh what project director John Shotton describes as "vocational English".

[9] The storylines have a supernatural twist[8] which includes themes of family tradition, love, evil,[2][3] and danger.

[10] Location manager Charlie Thompson recruited a local team from the domestic industry with basic industry experience or basic skill sets in the right areas and trained them to meet the required standards, broaden their skill bases and enable them to use them in the international arena.

Half a dozen locals went through a formal training programme organised by Thompson that included seminars and on-the-job learning.