Nandhini decides to work in a call center because of family problems. However, her manager gives her a target to achieve within a day, or else she will be fired from the job.

Kadhalan Kadhali (Tamil: காதலன் காதலி) is a Tamil-language Drama film which is Directed by Selvendran & performed by Chandran, Rambha, Lakshmi Rai, Anu Mohan, Kadhal Sugkumar, R. Sundarrajan, Thalaivasal Vijay, Raja Shree, Abhinaya Sri and Released on 19 Mar 2009.

Subramani (Murali), the college leader, falls in love with Meenakshi (Ranjitha), but she requests him to complete her challenges to accept his love. Subramani succeeds her challenges, and when she asks him to kiss her in public, he is arrested by a police officer (Radha Ravi). Aruchami (Vijayakanth), Subramani’s brother, the respected village chief, lives with Thayamma (Revathi).
In the past, Subramani’s mother died during Subramani’s childbirth. Aruchami and Thayamma got engaged when they were children. They stayed unmarried to take care of Subramani.
Subramani is later released from jail. Meenakshi’s uncle (Kazan Khan) wants to marry her, and he then beats up Aruchami. Later, Thayamma decides to work in Meenakshi’s house to spy on her. Meenakshi admits to Thayamma that she is in love with Subramani. Meenakshi’s uncle agrees for Meenakshi and Subramani’s marriage. Finally, Subramani and Meenakshi get married, but they discover that Thayamma has died.

Prabhu, a happy-go-lucky boy, falls in love with Sandhya who studies in his college. However, difficulties arise when he finds out that she is two years elder to him.

Arvind and Nandini meet in a singing competition and instantly fall in love with each other. Their lives take a turn when his friend Nirmala develops feelings for him.