Nedunalvaadai

Nedunalvaadai is a 2019 Tamil language drama film written and directed by debutant director Selvakannan and produced by B-Star Productions. Inspired by the poem written by Nakkeerar in Sangam literature, the film, as the title suggest, is about the pain of separation — of a man and woman, and a grandfather and his grandson. The movie was a sleeper hit.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.