Katrin, a police doctor, and Max a criminal inspector seem to lead a happy marriage and both work for the Munich Criminal Police. Of course, in the course of the marriage, a certain amount of routine creeps in, both privately and professionally. In the medical recruitment test, the Katrin performs on the new official Franziska, she gets a magical tingling sensation. Something seems to excite her on this woman, she feels almost attracted to her. What Katrin can not guess at this point is that she has a colorful past behind her because of a traffic accident in which she is not guilty and her husband was killed, she suffers from mental health problems behind her trying to hide her cool-looking facade. However, everything comes up again in Franziska, as she drives a joint mission with Max and sinks with him in a haystack. To make matters worse, that she also recognizes that she has developed feelings to Katrin, but at the same time to Max, who in turn, despite his marriage to Katrin, also...