Right in the opening scene of Naanum Rowdy Dhaan, director Vignesh Shivan makes it clear what we are in for — a quirky — and at times darkly funny — comedy. We see a young boy, Pandian, sitting inside a prison cell, and just when we think that he is a juvenile prisoner, we are shown that he is actually the son of the station's inspector, Meenakumari. He strikes up a conversation with a small-time gangster (Naan Kadavul Rajendran, who gets a funny scene later on, which involves a pistol which makes a 'meow' sound when it goes off) in the cell, and this inspires him s much that he decides that he...