Inspector Katharina Tempel moves from the LKA to the Hamburg police. Under the leadership of her new superior, Chief Inspector Georg König , she begins a murder investigation in the Hanseatic city. She is supported by her new colleague Dela Tahiri, her husband Volker , the celebrated press spokesman for the Hamburg police, and her best friend and prosecutor Golda Hopkins.
17-year-old Rebekka is feeling hollow and empty after her brother Dennis died by suicide two years ago. Dennis' friend Vincent is the only one who can help her through this difficult time. But Vincent is an outsider, accepted by nobody, especially since he jumped off the bridge with Dennis and survived.