Solla Thudikuthu Manasu

Solla Thudikuthu Manasu is a 1988 Indian Tamil film, directed by B. Lenin, starring Karthik and newcomer Priyasri in lead roles. The film, produced by J. Ravi, had musical score by Ilaiyaraaja and was released onFebruary 1988.

At his premarriage ritual, his detective said that he found Thenmozhi and he went here. But that wasnt her and he was attacked by some goons. The wedding was cancelled, he was fired by his bank company and was expelled from his house. He found an evidence at his house that Thenmozhi was in fact Jeyakodi. He went to her house and her office but she wasnt there. Thillainathan returned to his village and his father didnt consider him any more as his son. Pichamuthu, his friend whose his wife eloped, died and his wifes new husband helped Thillainathan to find a job.Thillainathan gets a new job and goes to a programme. There, he sees Jeyakodi dancing with the famous singer Vasudevan Radha Ravi. When he talks to her, she explains to him that she is not Thenmozhi and she is married to Vasudevan. Thillainathan attempt suicide. At the hospital, Vasudevan confirmed that she is Thenmozhi. The doctor asked to Vasudevan to find a person who had AB blood group in order to save Thillainathan. Jeyakodi accepted to give her blood but refused when she knew that the patient was her exlover, at this moment Thenmozhi also comes. They were all shocked to see their resemblances. Jeyakodi gives bloods to her exlover and saves him. Jeyakodi and Thillainathan then decide to get married. ........

Source: Wikipedia