M. N. Nambiar

Arjun runs a pappad manufacturing company. He is calm and soft but he has a dark side. Madhubala works in his concern. She develops a soft corner for him but his ambition in life is totally different. Arjun and his associate Goundamani team up to loot people with wealth in excess. Whether he is successful in his mission and whether Arjun joins Madhubala in wedlock is the rest of the narration.

Rangadurai (Sivaji Ganesan) borrows money from (Somasundaram) M.N.Nambiar to sustain his theatre group during a financial crunch. Enmity arises between the two when Rangadurai marries Somasundaram's daughter against his wishes.

Baba is an atheist who always questions the higher power. A turn of events bestows Baba with divine powers and he takes it as an opportunity to help the people in his state.

Harichandra (Sivaji) had never lied to anyone in his life. Viswamithra (Nambiar) challenges that he will make Harichandra to lie. Viswamithra tries various methods to make Harichandra suffer. Harichandra even sells his wife and himself to keep up his words till the end.

Vijayakanth is the Assistant Commissioner of Police who arrests Anandraj, a professional killer. But, Nambiar asks to hand over him to Delhi police. Anandraj escapes from Vijayakanth in Delhi and tries to kill Prime Minister Lakshmi. How Vijayakanth saves Lakshmi is the climax of the movie.

Prakashraj is the important person in a village. He believes on what he sees without second thought. His daughter Priyanka loves Vikram who comes to his friend's house to spend his vacation. Whenever Prakashraj meets Vikram, he misunderstands him. Hence, Prakashraj doesn't agree to Priyanka's marriage. How Priyanka's family members and Vikram convinces Prakashraj forms the climax of the movie.

Dharma Devathai is Action oriented Tamil Movie. Vijayakanth is brother of Sarath Babu and works in a school. Sarath Babu is the Union Leader for factory and often fights with Jai Ganesh for employee's benefits. Jai Ganesh kills Sarath Babu. After his brother's death how Vijayakanth along with Radhika (Sarath Babu's wife) takes revenge against Jai Ganesh is the rest of the narration.