An aspiring filmmaker Arun (Vishnu) wants to make a movie on a serial killer, but becomes a cop due to family pressure. Arun's Uncle (Ramadoss), is a cop who worked with his father and guides him.

Baradwaj Rangan. Updated on : 6 Oct, 2018, 9:08 am. Language: Tamil. Director: Ram Kumar. Cast: Vishnu Vishal, Amala Paul, Munishkanth. If an image from Raatchasan (Demon) crawls into your eyeballs and gnaws at the brain, it's this one: a serial killer looms over a petrified little girl, a hammer in his/her hand, with its claw positioned under.