The Bombay police is baffled at a series of robberies being committed in homes of prominent people, with the thief leaving a swastika and stealing only one set of jewellery instead of everything in the safe. Their investigation takes them to bring in a notorious burglar, Tony, who denies having anything to do with these robberies.
After the untimely death of her father and step-mother, Sonia is orphaned and lives with her aunt and paternal uncle (Mrs. and General Rajpal Singh). Sonia is plain-looking as her real mother, and often invites unappreciative, taunts, and critical remarks from her aunt and cousin-sister, Sheela. Sheela has a boyfriend, Dev Kumar Mehra, and she plans to marry him. Fed-up of hearing frequent taunts and adverse remarks about her plain-looks, Sonia challenges Sheetal that she will make Dev fall in love with her.
The tragic-comic story of Chhalia, a naive, simple-minded young man who comes to the city and witnesses the harsh side of life; and falls in love with a young woman named Shanti, only to find out that she is married but separated from her husband, Kewal, and adopted son, Anwar. He puts all he can in an effort to locate Kewal and re-unite the family.
