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.