Karan’s offbeat Chachaji, shows up at their house unannounced shocking them with the news that he will be staying with them for a good few weeks. While Karan is happy to chill with his Chachaji, Nithya soon realises what a brat Chachaji is and cannot keep up with his tantrums. Fed up with their annoying plans and constant interference, she pulls out the biggest arrow from her quiver, Chachiji.