When eight sailors onboard their fishing trawler find a mysterious girl mid-sea, ill fortune falls upon the boat as they don't catch any fish the next few days. The fishermen try to make it back home, although the sea has other plans for them.

‘Dui Shaw’ is the modern revival of the mysterious and lurid plots of traditional South Asian folk tales told from generation to generation. A sequel series to ‘Pett Kata Shaw’, Dui Shaw delves into the horrors of the present instead of the folktales of old.

Ayna is an actor and the prison is his stage. He slips into the characters of the powerful convicted in exchange of money and take their place in prison. This strange profession is borne out of a society that doesn't give him a chance to follow his passion of acting, but forces him to act in the real life. Falling in love with the girl next door changes his life equation and he decides to end this career with one last performance. But this one takes him too deep in the rabbit hole. The story unfolds on how an underdog survives in a society that is merciless and struggles his way out from the clutch of crime game which he is a part too.

Sumon is compelled to grow up in the city's underworld as mafia lord Osman Ali's killer machine. After killing a pregnant woman, Sumon's conscience leads him to defy Ali's order.