Here's a breakdown of the summary:
* The Setting: The poem takes place in a village by a mill, where the Miller Dee is known for his kindness.
* The Miller's Generosity: The miller, despite his own poverty, willingly shares his flour with those in need.
* The Starving Beggar: A starving beggar comes to the mill and asks for food.
* The Miller's Sacrifice: The miller offers him his own meal, even though he has very little.
* The Angel's Revelation: The beggar, revealed to be an angel in disguise, blesses the miller for his selfless act.
* The Reward: The angel grants the miller prosperity, turning his mill into a place of abundance and joy.
The poem ultimately celebrates the power of generosity and kindness, highlighting how even small acts of compassion can lead to unexpected rewards. It also emphasizes the idea that true wealth lies not in material possessions but in the generosity of spirit.