[sel-kooth] adjective, Archaic. 1. strange; uncommon but mesmerizing. When Allison Leaper witnesses the murder of her fellow classmate on the way to school, she dedicates the rest of her life to finding the killer and others like him. After Allison becomes an intern for the FBI's Behavioral Analysis Unit, she receives surprising attention from the quirky Dr. Spencer Reid and soon discovers the now nine year old case that she thought was solved, has run cold. How will she balance her budding relationship with Spencer and solve a nine year old cold case?