Maaran (Sathyaraj) is a clerk in the district collector’s office. His life centres around his loving wife (Seetha), his son (Raghuvannan), and his daughter (Preethi Varma). Soft-spoken, and a Gandhian to the hilt, Maaran does not stand by any smear on the Mahatma’s name. Being a staunch patriot, he had even named his son Sudhandhiram.

Deepak is an retired police officer. He meets an young man who is interested in joining IPS. The young guy asks about the case of a mystry killer in which deepak lost his leg and his career. Thus he explains about the unsolved mystry case. But in the end the case is solved by the young man, and deepak meets his ultimate end.

Aryan is a narcotics officer entitled with making the city a drug free zone. One day, people very close to Aryan get murdered one by one. He feels that this might be the work of the mastermind who is behind the entire distribution network.