The death of a provincial college student at first glance is an obvious suicide. However, local police chief Jeffrey Tolliver and coroner Sarah Linton are haunted by some details that contradict the official version of the investigation. When the first suicide at the college is followed by a second, even more suspicious one, Sarah and Jeffrey are left in no doubt: a criminal is operating on campus. And he chooses his victims according to a principle that only he understands. But how to find someone who does not leave evidence and, it seems, is openly mocking the police? Suddenly, Jeffrey and Sarah learn: their former employee Lena Adams has the most important information about the murder. However, she stubbornly remains silent. Why?