Catrin wants to know it again: With over 40 she dared to jump back to the University of Marburg. The married mother wants to finish her medical studies, which she stopped many years ago because of her pregnancy. The classmates on campus are relaxed in the age of their children. Her husband Frank feels left sitting in Berlin. And after a fierce flirtation with an attractive student, her marriage is finally in crisis. Nevertheless, Catrin is determined to make her dream come true. Better late than never.