Rajaraman, nicknamed "Vasool Raja" (Kamal Haasan), is a local don in Chennai, making a living by collecting money from people who refuse or dilly-dally in paying their debts to others, with the help of his right hand man Vaddi (Prabhu (actor)). Given that his father Sriman Venkataraman (Nagesh) had wished him to be a doctor, he creates the wikt:faux Venkataraman Charitable Hospital. which is named after his father and pretends to live in accordance with this wish whenever his father and mother Kasturi (Rohini Hattangadi) visit him in Chennai.