Ethirpaaraathathu narrates the story of star-crossed lovers Sundar (Sivaji Ganesan) and Sumathi (Padmini) in whose house Sundar, a college student, lodges.
The story takes plays during the annual Good Friday pageant in a tiny Italian village. Local priest Don Vincenzo faces a crisis when the girl selected to play the Virgin Mary shows up pregnant.
Mr. Gray is the new Resident in Charge of the Welcome Islands in the Indian Ocean. The Islands are full of life, but the only other Europeans are the "sanctimonious, psalm-singing" brother-sister missionary team of Martha and Owen Jordans, and the Honourable Ted - a hard-drinking, womanizing social outcast whose English family pays him to stay away.
Anu and Binay love each other and wish to get married but face opposition from her greedy uncle. They decide to elope but are caught and separated due to unforeseen circumstances.
Junior and his kid brother Highpockets, who is always causing trouble, enter their dog Daisy (the Bumsteads dog moonlighting) in a pet contest, and Daisy wins doing a latin dance.
A samurai answers a village's request for protection after he falls on hard times. The town needs protection from bandits, so the samurai gathers six others to help him teach the people how to defend themselves, and the villagers provide the soldiers with food.
A young woman takes up a job as a cook in a wealthy couple's residence. Her employer, an elderly man is infatuated with her, much to the dismay of his arrogant wife.