The movie is primarily about Arulmozhi, a man who had to move out of Thanjavur back in 1996 when he was in his late teens because of family partition. The city and that house meant a lot to him, and the memories are so rooted that thinking about it puts him in an uncomfortable space. Twenty-two years later, he was forced to come back to his hometown because his cousin-sister, who he practically raised, was getting married. Arul’s hesitant journey to his hometown and the interesting things that happened in his life when he met a relative during the function are what we see in Meiyazhagan.