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.

Ajay, a college student develops software to help nab cyber criminals. At the same time, a cyber crime spree is happening in Chennai. The story revolves around Ajay's college days as he develops the software, falls in love, and heads toward his future. Will he be able to capture the criminals with his software