Koondukkili deals with the issues of poverty, greed, abuse of women and the poor. MGR is married to B. S. Saroja and they have a son. MGR and Sivaji Ganesan are friends. MGR goes to jail for a mistake committed by Sivaji. B. S. Saroja is left with no money or house to live. Sivaji tries to help her but he has his sinister motive, to have a relationship with B. S. Saroja. After she repeatedly refuses his attempts to help her, Sivaji starts to sadisticially taunt her. Meanwhile, Kuchalakumari is in love with Sivaji. MGR gets released and saves his wife from Sivaji.