Years before joining the FBI, Spencer Reid experienced a humiliating and traumatic incident in high school, one he remembers only in fragments. What he doesn't remember is the person who secretly helped him escape that situation — a popular girl who, despite her reputation for partying and troublemaking, stepped in when no one else did and brought him home safely. Many years later, that same girl enters the BAU as a brilliant, well-known chemist whose work has helped solve cases at incredible sp