The huge ancestral house of Periya Sundaram and his five grandsons, the Sundaram brothers, is strictly barred for women. This 'only men' family take a vow against marriage, after losing their brother on the day of his wedding. On the other hand, a warm-hearted and spirited village belle, Kayal has her heart set on marrying the youngest Sundaram, while a vindictive Zamindar's daughter, Vedanayaki is fanatically against the Sundaram brothers getting married.