While their relationship begins with playful ego clashes and "cat and mouse" games, love eventually blossoms. However, their union faces steep hurdles:

When Muthupandi discovers Krishna’s love for Vennila, he issues a challenge: Krishna must come to the village, live among them, and prove that his love is true by successfully harvesting a crop—a task he knows nothing about. The film follows Krishna’s transformation from a city-bred boy to a man of the soil, fighting for his love.

Directed by M. Raja, the film is a remake of the Telugu blockbuster Nuvvostanante Nenoddantana . However, unlike many remakes that lose their flavor in translation, Unakkum Enakkum was culturally adapted perfectly for the Tamil audience, becoming a milestone in the careers of its lead actors, Jayam Ravi and Trisha Krishnan.