Anna, a graduate student at the Faculty of Biology, can’t wait until she finally defends her master’s thesis in two weeks, frees up, and has time for both her little daughter and her friends. Her research interests revolve around the debate over the origins of birds, which is such a hot topic that when Anna's supervisor is found dead with her diploma in his hands, she fears for her safety. However, the truth is scarier and simpler, and Anna will have to unravel many secrets and learn stunning things about herself, her family and friends.