Koodal Nagar movie story is set in a suburb of Madurai. Suryan (Bharath) and Chandran (Bharath) are twins. Suryan, the elder of the two is soft spoken guy who works at a local lending library and he falls in love with Manimekala (Bhavana), daughter of Namasivayam (Mahadevan) the local politician-don and MLA. Chandran, the younger one, works as a mortuary assistant in the local government hospital and he's one among Namasivayam