When Ishan (Dhiraj Magar) and Meera (Samragyee Rajya Laxmi Shah) meet by chance through their common friends in London, they unknowingly fall for each other only to discover their fate depends on a difficult choice.
One day, while conducting such smuggling, they lose the transaction slip - a Rs. 2 note. The film "Dui Rupaiyan" entails their quest to find that Rs. 2 and save their necks, all the while saving themselves from local thugs, police, and their boss too.