Historical Psycho Thriller Series, A - The Sigmund Freud Files, Episode 8: Disease and Symptom

When an old prison is renovated, the fragile diary of one of the inmates is found. The entries contained detailed information about a series of unsolved murders from a long time ago. With Anna's support, Karl starts to interview former inmates of the prison while Sigmund tries to identify the killer on the basis of the diary entries. Who is the killer? And has he really shed his diseased ambitions?