Despite qualifying for armed force, Khik ('Jayam ' Ravi) prefers to be a traffic p in Ooty as he believes that such a no risky job would help him get enough time to look after his cute little sister Vidhya (Baby Anikha). Khik also has a short lived one side love story with Renu (Lakshmi Menon), who is a doctor. When a hazardous chemical in the nearby industry gets leaked, a dog nsumes it and turns into a zombie. As the dog bites a watchman, he too bees a zombie and eventually, the virus spreads rapidly across the town. Can Khik save his sister and the city ?