The film's director, Gautham Vasudev Menon, took to Twitter to share the teaser.
It's been a pleasure and a wonderful experience. Thank you Ajith sir. This one is for you.. Teaser..in a few minutes— Gauthamvasudevmenon (@menongautham) December 3, 2014
In the teaser, Ajith talks about the thin line that divides the good from the evil, and goes on to add that his time has come to choose the side.
Also starring Trisha Krishnan and Anushka Shetty, Yennai Arindhaal is slated for release during Pongal next year.