This document provides a brief history of psychological thriller films from the 1950s to the present day. It summarizes several influential movies from each decade, including Night Train (1959) about a man on the run who shares a train cabin with a mysterious woman, Psycho (1960) about a secretary who steals money and checks into a remote motel with a strange owner, and Black Swan (2010) about a ballerina losing her mind as she trains for the role of the delicate white swan in Swan Lake. The document traces the evolution of the psychological thriller genre over several decades through some of the most notable films in the category.