Instead of risking a "patched" version that might have Russian subtitles or Chinese watermarks, here is how you can watch the actual film in HD:
A young aspiring filmmaker, Arun (Vishnu Vishal), is forced to become a police officer by his mother. While serving, he uses his cinematic knowledge to help solve a series of brutal, bizarre murders of schoolgirls. What follows is a cat-and-mouse game between the cop and a sadistic serial killer.
Ram Kumar's direction is top-tier. The film moves at breakneck speed in the second half. Every clue, every red herring is placed with care. The interval block is legendary – pure adrenaline.
Ghibran's background score elevates the tension. The main killer's theme (whistling sound) will haunt you for days.
To understand the movie, we have to clear up the title confusion, as this is often why search terms get messy.