A young Hindu boy (belonging to a caste primarily considered vegetarian) staying in a Hindu dominated kingdom finds a dumb Muslim girl belonging to Muslim dominated neighbouring enemy kingdom. He gives her shelter in his Hindu family without knowing her background. When he realizes that she is a non-vegetarian, he provides her with biryani secretly in spite of him being vegetarian. Then he realizes that she is Muslim while she is offering prayers but hides it from his parents. When it comes to fore that she belongs to enemy kingdom, he faces opposition from a senior family member. He decides to personally send her back to her hometown safely. Though he escapes the security at the borders, he gets caught in the enemy kingdom as she reaches home and is sentenced to death by hanging. However, he is pardoned after the girl regains her lost voice in the climax.
R. G. Vijayasarathy of IANS wrote that "Kallarali Hoovaagi is a top line film which is a must see for all film buffs who look for quality in films. Even for the so called mass audience, it will be a good package of good entertainment values".[6] A critic from Rediff.com wrote that "Long story short, Kallarali Hoovaagi is that modern day rarity -- a must see film for all ages, all classes, everywhere".[7]