Claudia Roloff receives a mysterious package from Kenya from her brother Rob, who is fighting against rhino poaching for a conservation organization in Africa. A few hours later, she is found dead, raped and murdered in a forest parking lot in Tübingen. All evidence points to a sexual crime. Only Rob's ex-wife, journalist Linda Roloff, does not believe this. She suspects a connection between Rob's work and the murder. Taking matters into her own hands, she embarks on a dangerous quest in Africa to find the masterminds behind the crime.