
A young woman, who goes to her grandmother's home in Pollachi, realises the presence of something supernatural in the place. Meanwhile, mysterious murders are happening in Chennai. How are these seemingly unrelated events connected?

An emotional story centered around a granddaughter and her grandmother, set amidst the background of an ancient mourning rituals in India.

For every action, there is an equal and opposite reaction. What happens when your small action affects so many people's lives? how the butterfly effect plays an important part in all our actions forms the crux of N4.