Bus Conductor movie revolves around Sultanveetil Zakir Hussain (Mammootty)who is a good man, Kunjakka is faced with all kinds of troubles and responsibility and who is the head of a large family consisting of mother (Bindu Panikkar), sister (Poornima) and her two daughters, husband (Innocent) and a son Najeeb (Jayasurya). And he has a little sister Selina (Mamta Mohandas) who he loves very much.
Zakir Hussain owns a private bus ‘Maithri’ and the local people fondly call him Kunjakka. A corrupt local sub-inspector (Anil) who also owns a bus ‘Road King’ makes his life miserable.
Moreover, his nephew Najeeb leaves his pregnant wife behind and goes to Dubai. So, Kunjakka takes care of her with help of his wealthy girlfriend Noorjehan (Nikhita). But misunderstanding crops up between him and his family, leading to a sentimental and dramatic climax.