Mrs. Peters is a character in the one-act play "Trifles" by Susan Glaspell. She is the wife of the county attorney, George Peters, and accompanies him to the home of Minnie Wright, a woman accused of murdering her husband. Mrs. Peters is portrayed as a sympathetic figure who begins to understand Minnie's struggles. Throughout the play, Mrs. Peters evolves from a dutiful wife to someone who empathizes with Minnie's plight. She discovers the significance of small details, such as a broken birdcage, which symbolize Minnie's lost happiness. This realization leads her to question the justice system and societal expectations of women.