Mermaids is a 1990 American comedy-drama film starring Winona Ryder as Charlotte Flax, a teenager who moves with her eccentric mother and younger sister to a small town in Massachusetts. The film follows Charlotte's coming-of-age story as she navigates her first love, her mother's unconventional lifestyle, and her own desires for independence. Winona Ryder's portrayal of Charlotte brings depth and vulnerability to the character, making Mermaids a memorable film in her career.