Santhanam gives the best education to his siblings and takes care of all their basic needs. However, when they become financially stable they ill-treat and ignore him.
A young man and an older woman fall in love and decide to marry. However, their lives become more complicated when he learns that his father is in love with the same woman's daughter.
Rajalakshmi raises Ramu, an orphan, as her own son who in turn always protects his foster family. However, he must stop his malicious foster brothers from marrying off their real sister to a gangster.
