Deivapiravi - K.A.Thangavelu's family dispute 

Deivapiravi - Tamil Movie
Sivaji Ganesan works for a civil contractor. Padmini is a construction worker. Sivaji loves Padmini and marries her. He also takes care of Padmini's mother and younger brother. Sivaji's brother and Padmini's brother also live in their house. M.N.Rajam, daughter of a civil contractor likes S.S.Rajendran. Sivaji and Padmini prefer S.S.Rajendran's marriage with M.N.Rajam. But Sivaji's brother also aspires for Rajam. Padmini requests Rajam to forget S.S.Rajendran and marry Sivaji's brother but Rajam declines it. Meanwhile Sivaji gives shelter to his father's mistress and her daughter. They create problems in the family through their evil plans. Circumstances lead to S.S.Rajendran's arrest. The evil ladies allege Padmini for loose morals. In the event Sivaji scolds Padmini and S.S.Rajendran. Thus Sivaji and S.S.Rajendran become inimical. The rest of the story is how they come into good terms.