While training for an important meet, an energetic 13-year-old aspiring track star strives to run from childhood into adolescence. Like most girls her age, Jacqueline is eager to experience adult pleasures and to prove herself, but her domineering mother Vivienne keeps standing in her way. Jacqueline finds comfort with her friend Maxine. Every chance they get, the two heatedly discuss the mysteries of newly blossomed womanhood. They are especially interested in sex, and Jacqueline is eager to lose her virginity. Back at home, the girl is frustrated by her mother's refusal to tell her about the father she has never known. At the same time, Jacqueline watches her mother struggling to get along with her latest lover. A gentle but true coming-of-age comedy.