The Confession of Ina Kahr(1954)

Told in flashback, the film recounts the events leading up to the killing of good-for-nothing Curt Jurgens. Warned by her friends and relatives that Jurgens is a bad job, impulsive Ina Kahr marries him anyway. His ceaseless philandering and abuse wears away at Ina to the point that she contemplates poisoning her husband...