After being released from jail, Kaali is in search of Raja Rao, a rich businessman who is responsible for the death of his family members.

Santhanam gives the best education to his siblings and takes care of all their basic needs. However, when they become financially stable they ill-treat and ignore him.

A young man, Kaali and his sister, Valli, who were orphaned as children, share a close bond. However, their relationship gets strained as Kaali butts heads with a newly appointed engineer from the city.

Kavikkuyil, Kavikuyil or Kavi Kuyil is a 1977 Tamil film directed by Devaraj Mohan and starring Sivakumar, Sridevi and Rajnikanth. Fatafat Jayalakshmi plays Rajnikanth's love interest. Sridevi plays the younger sister of Rajinikanth. The film was shot under the S. P. T. Films banner and produced by S. P. Tamizharasi. The film premiered on July 29, 1977.

When Pushpagiri learns that his daughter has given birth to a son, he asks Dhanunjay, his nephew, to bring them home. However, Dhanunjay plans to kill the young one.

Bharathi's parents refuse to accept her after discovering that she is pregnant with Suresh's child, the man who cheated her.

Kavitha, a young woman, is the sole bread winner for her family. In order to fulfill their dreams and ambitions, she puts herself through the daily grind of working in an office maintaining a tough exterior at home and at office. The delays in her marriage with her lover Tilak, frustrates him but he decides to wait for her. Eventually when Kavitha consents to marriage, Tilak springs up an unpleasant surprise.

Thayagu is a teacher who comes to serve in a village. He struggles to attain his desires as he has an unmarried sister and mother to support.

Saritha sacrifices her comforts and the prospect of a life with her boyfriend for the sake of her family. Things take a turn when her boss proposes to marry her.

Pattikkaattu Raja is a Tamil language film starring Sivakumar in the title role. Jayasudha and Sri Priya also portray important roles.Kamal Haasan plays a very small supporting role with negative touch.