Kalathur Kannamma

The film is set primarily in Kalathur, a rural town influenced by zamindar (landlord) aristocracy. The story also travels to Madras, Sevalpatti, and Bangalore, showing how different locations represent different social worlds and opportunities for the characters.

The film depicts a traditional Tamil society where zamindars (landlords) hold significant power over ordinary people. Class hierarchies and family honor play central roles in shaping characters' choices, particularly affecting the romantic relationship between Raja and Kannamma.

The film explores how a secret marriage between lovers from different social standings leads to public shame and social humiliation. Kannamma bears the brunt of societal judgment to protect her promise to the zamindar, while the film critiques the double standards that punish women for love that defies convention.

The film centers on Selvam's true identity as the lost son of Raja and Kannamma, which challenges assumptions about lineage and legitimacy. Kannamma's silent sacrifice and Murugan's confession demonstrate that family bonds are defined by love and moral worth rather than social reputation or legal recognition.

The zamindar Ramalingam initially uses his authority to separate Raja from Kannamma based on family honor. The resolution shows power being redefined as responsibility when Ramalingam acknowledges Kannamma as his daughter-in-law, suggesting that true authority comes from compassion rather than control.

Selvam is the son of Raja and Kannamma, raised in an orphanage after being separated from his parents at birth. He serves as the bridge between his biological parents, eventually helping them reunite when his true identity is revealed through school plays and visits.

Kannamma is the daughter of farmer Murugan who secretly marries Raja but faces social humiliation when the zamindar opposes their union. She works as a teacher, raises her son in secret, and maintains her dignity throughout her suffering while seeking to reunite her family.

Raja is a young man who falls in love with Kannamma and secretly marries her. After separation and hardship, he struggles with trust upon learning about her past. He eventually becomes involved in Selvam's life and works toward family reconciliation.

Ramalingam is the powerful zamindar who initially orders Kannamma to forget Raja, prioritizing family honor over their love. However, he is moved by Kannamma's quiet dignity and eventually accepts her as his daughter-in-law, playing a key role in reuniting the family.

While the exact year is not explicitly stated, the film's portrayal of zamindar systems, rural communities, and travel by train suggests a setting in mid-20th century rural Tamil Nadu, consistent with the 1960 release period.