Like Stalin Ramalingam's Kaadu, Thoppi also deals with tribal people and their way of life. It is set in Kurinjimedu, a remote village in a mountain, where reside a clan of robbers, led by Suruttu Saamy, a veteran robber, who is also their priest. As we saw in Vasantabalan's Aravani, thievery is these people's way of taking care of their stomachs and they perform it with ritualistic fervour. But not Sithan. A 20-something fellow, Sithan aspires to become a cop (we even get a back story on why he badly wants to be one) and acts as an informer for the local police, who are always the first ones t...