Karin Mumm was born on 27 January 1952. She was an actress and writer, known for Possession (1981), Der subjektive Faktor (1981) and Dabbel Trabbel (1982). She died on 5 December 2014.
A woman starts exhibiting increasingly disturbing behavior after asking her husband for a divorce. Suspicions of infidelity soon give way to something much more sinister.