Cult 1980s comedy directed by Amy Heckerling and starring Sean Penn, Jennifer Jason Leigh and Judge Reinhold. Based on the real events recounted in Cameron Crowe's novel, the film follows a group of high school students in southern California who are looking for love and fun in their teenage years. 15-year-old Stacy Hamilton (Leigh) is desperate for boys to see her as a woman but when she lies about her age to date an older man, she is left feeling hurt and used when she learns he is only after one thing. When Mark (Brian Backer), a friend of Stacy's friend Mike (Robert Romanus), declares his love for sweet, innocent Stacy, Mike agrees to school him in the science of women.