Prasanna Vadanam tells the story of a protagonist who suffers from a rare medical condition called face blindness. Every person he encounters is quite literally a blur. How the mild-mannered protagonist, while dealing with this rare condition, finds himself in the middle of a crime scenario, riddled with violence and dangers, forms the crux of the story. Prasanna Vadanam promises to be a dark thriller with a lot of black humor and a unique concept at its core.