On karaikal beach, an unidentified and completely disintegrated woman corpse was reaching the sea shore. Inspector Karthikesan start the investigation as who it is? What are the confusions in the case? Who is the killer in the end? Who was murdered? What are the obstacles in the investigation? Did he find it out? Or not is the "Lara-The Unrevealed Story" is the screenplay that describes with various twists.