Desc: Arzt aus Leidenschaft: Directed by Hans H. Zerlett. With Albrecht Schoenhals, Karl Dannemann, Franz Weber, Karin Hardt. Dr. Felgentreu is not expecting half of what's coming upon him : a young lady patient falling in love with him, a well-kept secret from his past unveiled and himself being involved in a crime. The only thing he could count on was his antibiotic serum experiments progressing. Schoenmals was a doctor in real life as well as actor.