A poor man with a large family struggles to make ends meet. His troubles are compounded when his daughter injures her foot which needs to be amputated. Desperate, he decides to abandon her.

Having been unjustly accused of having an affair, a dutiful and loving wife is thrown out of the house by her husband and forced to abandon her baby. When mother and child are eventually reunited, the mother faces an uphill struggle to regain the love of her daughter.

Dr. Gautamdas (Rajinder Kumar) attains his qualifications in London, England, and with the blessings of Lord Bertrand Russell (himself), returns to his home country and his dad (Balraj Sahni). Much to the disappointment of his dad, Dr. Gautamdas decides to re-locate to Japan, which has been devastated by the explosion of atom bombs on two of it's cities - Hiroshima and Nagasaki. There he meets with other doctors, and is given a tour of the patients and their families, and other survivors (Om Prakash, Chand Usmani, Baby Kavita). {Graphic scenes of the atrocities inflicted on innocent people} On a chance meeting with the beautiful Meloda (Saira Banu) he knows that they are destined to be one, and so does she. Meloda's dad is also a doctor (Chetan Anand). Meloda had studied in India and speaks Hindi fluently. Both fall in love amongst the splendour of Japan.

Girdharilal lives a poor lifestyle in Delhi along with his wife, Geeta, and two daughters, and a son. He works as a Money Order Clerk in the Post Office, earns Rs.110/- per Mensem, and wears a torn coat that his wife is tired of stitching. One day at work, he makes an error in a money order but does manage to fix it, collects his pay, and returns home, refusing to drink...