What is the story of an hour about?

"The Story of an Hour" by Kate Chopin is a short story that follows Mrs. Mallard, who receives news of her husband's death. Initially devastated, she then experiences a sense of liberation and newfound freedom. However, the story takes a tragic turn when her husband appears to be alive, and Mrs. Mallard dies of shock. The story explores themes of freedom, independence, and the constraints of societal expectations.