What is the plot of story nadan dost written by premchand?

"Nadan Dost" (The Foolish Friend) is not a story by Premchand. It's likely you're thinking of a different story, possibly a story with a similar title or theme.

Premchand was a prolific writer and wrote many stories, including:

* "Do Bail" (Two Bricks): A story about the challenges faced by a poor family during the British Raj.

* "Idgah" (The Festival): A story about a young boy's visit to the Idgah festival and his encounter with a kind old man.

* "Mansarovar" (Lake Mansarovar): A collection of short stories exploring themes of love, loss, and societal issues.

If you can provide more details about the story you're looking for, such as its characters, setting, or any specific details you remember, I can help you find the correct title and information.