Hotel franchise conglomerate Debraj Singh murders his partner Bipasha Mitra's stepbrother, Ashoke. Kolkata Police detective Ekendra Sen solves the case in the hill station of Darjeeling.
Subrata Sharma, an ordinary crime reporter, loses his job and takes up temporary work as a secretary in a rundown detective agency called Danny Detective INC. Appointed to find a missing girl Tamali, Subrata stumbles into dangerous situations that lead to a huge conspiracy.
Tekka is the story of Iqlakh, a janitor who has lost his job and is out to get it back by holding a schoolgirl hostage in a building. ACP Maya comes in, a woman who is trying to conceive. Add to the mix a young journalist pair, Brishti and Tintin, and we have a sentimental thriller in an office building spanning 48 hours, full of melodrama.