Both Kalaiarasan and Karunakaran are known for picking performance-oriented roles. The duo will be seen playing the titular roles in Kalavu, directed by debutant Murali. Billed as a crime-thriller, Kalavu team has also roped in model Abhirami Iyer as Karunakaran’s pair in the movie. Both Karuna and Kalai work for a call center and how the situation forces them to meet each other forms the fulcrum of the story.