Shanmugam -Parthiban, a
veterinary doctor, lives in the city with his wife Valarmati
-Devayani and their two children. In school, Shanmugam was
in love with his classmate Dhanalakshmi but fate had forced
them to go their separate ways, with Dhanalakshmi -Nandita
Das being forced to wed her brother-in-law.
One day, Shanmugam spots Dhanalakshmi, who, having lost her
husband, now lives a life of poverty on the platforms with
her son, Balu. After an unsuccessful attempt to find her a
job in a friend's house, he hires her as their servant-maid.
However, memories of the past starts to create a tension
between Shanmugam and Dhanam, despite their attempts to
maintain a distance.
One day, Valarmati finds out from Shanmugam's old...[