They lived among some of Europe's most dangerous criminal. They knew they could . . . never screw up Niklas, a weapons expert, has returned home after years as a mercenary. His world has no laws. His life has made him a violence fanatic and an adrenaline junkie. He is haunted by traumatic childhood memories. One night his mother calls, hysterical. Someone has been murdered in her apartment building. Thomas is a demoralized cop. He’s working the night shift when the call about the murder comes in. The victim has been badly beaten, and his arms have been pockmarked by syringes. But someone wants the case silenced - why?