Raatchasan: Directed by Ram Kumar. With Vishnu Vishal, Amala Paul, Radha Ravi, Sangili Murugan. A sub-inspector sets out in pursuit of a mysterious serial killer who targets teen school girls and murders them brutally. A serial killer is murdering school girls, and a newbie cop has to track him down before the victim count increases. Circumstances force Arun, an aspiring film director, to take up the job of a Sub Inspector after his father passes away. While Arun faces issues in adjusting to the lifestyle of a police officer, a series of mysterious murders of school-going girls happen in the city.