Mazaa is a dubbed version of tamil movie Majaa and it is an family darma in which, Prasad (Vikram) and his family, father (Manivannan) and elder brother (Pasupathi) are in the profession of robbery.
They decide to leave that profession and lead an honest life. They sell off their assets, buy a lorry and look out for a nice place to settle in. They tumble upon a village and meet a family which is being harassed by a feudal lord called Rayudu.
The trio helps out this family by opposing Rayudu. Seeta (Asin) is the daughter of Rayudu. Due to certain unavoidable circumstances, Prasad ties knot to Seeta forcibly. Then there is misunderstanding between the trio due to the game played by Rayudu's relative. The rest of the story is about how all ends well.