A Dangerous Method (2011)

Directed by David Cronenberg, A Dangerous Method stars Keira Knightley, Viggo Mortensen and Michael Fassbender in a historical psychological drama centered on the early development of psychoanalysis. Set in the years before World War I, the film explores the intellectual and emotional relationship between Carl Jung, Sigmund Freud and patient-turned-psychoanalyst Sabina Spielrein. Combining historical themes, psychological conflict and relationship drama, the film focuses on the personal and professional tensions behind the foundations of modern psychiatry.

Från IMDB:
A look at how the intense relationship between Carl Jung and Sigmund Freud gives birth to psychoanalysis.