Some scars hide dark secrets.
Who are you? Hamburg criminal psychologist Dr. Evelin Wolf ponders, as she examines the mentally disturbed homeless man with the conspicuous scar on his face. The extremely aggressive man with no memory and no identity is said to have committed a brutal murder. But Evelin and Assistant District Attorney Alex Gutenberg doubt his guilt and suspect that there is much more to the supposedly crystal-clear case.
Shortly afterwards, Hamburg is shaken by a series of murders that are unsurpassed in their cruelty and sadism. The perverse killer leaves a bloody trail across the Hanseatic city and links it to a clear message for Alex and Evelin: revenge.
Alex and Evelin work feverishly to solve both cases. In the process, they make a fatal mistake. And the killer exploits this mercilessly…
