Aan Baan is a story of a lavishly living Raja Bahadur who is indulged in alcohol, women and all kinds of bad habits. He refuses to marry a prostitute whom he has an affair since many years as her brother is in jail. In the meantime his brother Suraj arrives from abroad. Suraj and Rekha who is their neighbor are in love with each other. Raja Bahadur finds this news and plots a plan where Suraj is arrested by the police and is sentenced to jail. When Suraj returns he hears the news that his brother is marrying Rekha. With emotions, hatred, love and revenge, the story takes a new turn.