The series "Ratched" is a prequel to the famous novel and film "One Flew Over the Cuckoo's Nest." This drama with elements of thriller depicts the formation of the eponymous heroine as an authoritarian monster obsessed with controlling mentally ill patients. The action takes place in the late 1940s and shows Mildred's entry into the profession, her first steps in a new field at a psychiatric clinic, as well as the process of gradual moral and ethical degradation and hardening.