In 1980s Los Angeles, a group of privileged high school seniors at an elite prep school navigate identity, sex, jealousy, obsession and the dangers lurking beneath the surface of American adolescence.

Bret is an aspiring writer and keenly observant teenager whose reality begins to unravel with the arrival of Robert, a mysterious and magnetic new student. Transferring in just before his senior year, Robert's appearance coincides with the growing terror of The Trawler, a serial killer targeting teenagers across the city.