Chandran is a popular, well-meaning and rather dreamy undergraduate now in his final year at college And it is probably this last quality that sends his imagination soaring at the sight of a girl in a green sari on the river bank From that moment on, Malathi is the girl for him But when it comes to marriage it seems that all is not well in the young man's horoscope And while some customs are gaily ignored, there are others which must be strictly observed