Heathers is a dark comedy film that explores the dark side of high school cliques and popularity. Winona Ryder stars as Veronica Sawyer, a teenager who becomes involved with a group of popular girls called the Heathers. The movie tackles themes of teen angst, peer pressure, and the desire to fit in. Winona Ryder's performance in Heathers is praised for her ability to capture the complexities of her character's emotions.