Hero Ma Ka Pa Anand's father Ponvannan is an agriculturist and considers farming as his soul. Desiring, his son also should take up farming, he makes Ma Ka Pa complete a course in agricultural college. But, Ma Ka Pa spends him time happily with his friends without doing any work and, even more, he assures his father that he will become a successful business man within fifteen months.
Mean while, few agricultural students approach Ponvannan for doing a project and Aishwarya Rajesh is one among them. Ma Ka Pa is attracted to Aishwarya at the first sight itself and as expected they fall for each other in due course. Amidst this, John Vijay, a real estate business man, plans to acquire the agricultural lands with a business motive and Ponvannan wants to prevent this unjustified move. Utilizing the innocence of Ma Ka Pa, John Vijay uses him against his father. What happens after that and the happy ending are narrated in the rest of the screenplay.
Actor Ma Ka Pa Anand shows good improvement in his performance. While portraying a jolly good character, he is able show various emotions as an agitated son, sincere lover and a happy go friend with Yogi Babu. Utilizing the given opportunity, Yogi Babu proves his talents and makes the audience happy with his dialogues and his screen presence. Aishwarya Rajesh has just filled up the heroine part and her talents are not utilized in this film. Ponvannan has performed in a great manner and John Vijay looks impressive in his villain character.
Director Sagayasuresh gets the appreciation for focusing on the prime problem of the farmers but had he filmed it with an interesting story base, the movie would have gained its attention. Songs are okay with Sam's music but the back ground music needs more care. Cinematographer Raghav has done justice with his work and all his shots seem to prove his capacity.
Totally, Kadalai could've been even more tastier.