The film starts with the portrayal of happily married couple, Amar (Sunil Dutt) and Malti (Meena Kumari) who have a son named Raja (Daisy Irani). Amar and Malti are both orphans and hence are sympathetic towards orphans generally. Prakash (Ashok Kumar) is a rich bachelor businessman for whom Amar works. While working in Prakash's factory, Amar catches another worker Munshi (Jee...