Dr. Ballouz becomes painfully aware that there were problems in his marriage to Mara. Meanwhile, Sister Irena brings Michelle into a conflict of loyalties. Privately, Dr. Ballouz with the bitter realization that he never had time for his wife; work was always more important. For the late Mr. Schenk's cat, Dr. Ballouz is desperate for a new owner. When Sister Irena does not show up for duty and is shortly afterwards brought in in the ambulance accompanied by her son Alexander, Dr. Michelle Schwan is very worried about her colleague and friend.