Created by Ryan Murphy, Ian Brennan, and Evan Romansky, and starring Sarah Paulson, the first official trailer for Ratched reveals the unsettling origin of the infamous Nurse Ratched from One Flew Over the Cuckoo's Nest ahead of the series' September 18th release on Netflix:

"From Ryan Murphy and Ian Brennan, Ratched is a suspenseful drama series that tells the origin story of asylum nurse Mildred Ratched. In 1947, Mildred arrives in Northern California to seek employment at a leading psychiatric hospital where new and unsettling experiments have begun on the human mind. On a clandestine mission, Mildred presents herself as the perfect image of what a dedicated nurse should be, but the wheels are always turning and as she begins to infiltrate the mental health care system and those within it, Mildred’s stylish exterior belies a growing darkness that has long been smoldering within, revealing that true monsters are made,...