Oru Kuppai Kathai is a 2018 Indian Tamil-language drama film produced by Ramadhoss, Aravindan, and Aslam. It was written and directed by debutant Kaali Rangaswamy. The film stars dance choreographer Dinesh, in his debut as lead actor, and Manisha Yadav. The film's music was composed by Joshua Sridhar with cinematography by Mahesh Muthuswami and editing by Gopi Krishna. The film was released on 25 May 2018.

Plot

Kumar is a poor garbage collector from the slums of Chennai who is in search for a bride. But many brides rejected him due to his love and passion towards garbage collecting. One day, he meets Poongodi, a girl from a middle class family in Valparai whose father lied to her that Kumar is a clerk. Poongodi, who believes that Kumar is a clerk, decides to marry him and settle in Chennai. Weeks after marriage, Poongodi discovers that Kumar is not a clerk but a garbage collector, causing a hatred towards him. Kumar tries to make things right by shifting from the slums to an apartment with family, including their newborn baby girl. In the apartment, Kumar befriends his neighbour Arjun, a software developer who has been helping him shift to their new home. However, months after shifting, Poongodi and Arjun later fall in love with each other and start a romantic and extramarital affair. Meanwhile, Kumar decides to resign as a garbage collector for Poongodi's sake and decides to surprise her with the news, but later, he realises that she and their baby are not at home. Later, the watchman told him that Poongodi is having an affair with Arjun and that she might have eloped with him somewhere far away, leaving Kumar in shock, despair, and depression. The rest of the story follows how Kumar becomes a drunkard and failure in life, while Poongodi and Arjun start a new life in a mansion.