Mani, a hot blooded and aggressive villager, had earned many enemies, waiting for a chance to eliminate him. On his wedding day he is lured into a trap and brutally assaulted and killed. As the family grieves, arrives Raja the new cop on the block and Mani’s look alike.

Kalyana Agathigal is a 1985 Tamil language drama film directed by K. Balachander. The film features Saritha in lead role. The film was released on April 12, 1985. The film marked the acting debut of Nassar. The movie begins with a group of six women who live together as friends after their attempt at living a successful married life is thwarted due to various reasons, majorly because of men, sexual abuse, dowry harassment and the backward society. They also form a music band called "kalyana agathigal" to raise funds for charity to the underprivileged. Ammulu, a young runaway girl, joins the gang of girls and becomes a part of the household. The story is about how their lives make wild twists and turns as they cope with the society and try to find true love.

Prakash and Murthy have been thick friends ever since Prakash took Murthy into his house - against the wishes of his own parents - after his father killed Murthy's mother in an accident. So Murthy thinks the world of Prakash. When Prakash goes to America to study, Murthy steps out of the house after overhearing Murthy's parents scheming to send him out disgracefully.Murthy is given accomodation by an old man who is reminded of his son Govind and henceforth starts going by that name.What transpires later forms the crux of the story.

Maasilamani, a dreaded don, spreads terror around him: triggering riots, smuggling illicit liquor and drugs. The police are exasperated by Maasilamani and send Abhimanyu to cope with Maasilamani. Abhimanyu is an incorruptible and strict Assistant Commissioner of Police who has been suspended seven times for challenging his superiors. What transpires later forms the crux of the story.

Arun, a popular singer and a death convict, helps raise money for the poor through his concert. However, his wife Shanthi has other plans and tries to kill him.

Two friends, Ambalavanan and Chandrashekar, have very different perspectives on life. While one thrives amidst his loving family, the other believes that everything revolves around money.