Diya Aur Baati Hum, is about a Sandhya's struggle, who dreams to become an IPS officer. She dreams to break the boundaries of her narrow confined existence of middle class values.
The story is also about Sooraj, who is a sweet talker and a self made man. Sooraj runs a sweet shop near his house which is famous. Sooraj and Sandhya get married. Sandhya will not be able to finish her graduation. Soon she is part of the family she does not even know.
This story is about Sandhya's struggle to fulfill her dream and a journey where she finds help from the most unlikely quarter - a lover who can make it possible.