What is miss brent's story from Agatha Christie and then there were none?

Miss Emily Brent's story in "And Then There Were None" involves her having fired a young girl named Beatrice Taylor from her service, which led to Beatrice committing suicide. Miss Brent feels no remorse for her actions, considering the girl morally corrupt and deserving of her fate. As the events on the island unfold, Miss Brent becomes increasingly distraught and guilt-ridden, ultimately leading to her own demise.