A shooting rampage in a supermarket. Sarah Kohr arrives on the scene before the SWAT team and pursues the perpetrator, who is dressed in military uniform. Cornered by Sarah, he turns the gun on himself.

The only victim of the rampage is IT specialist Malik Otark. Was he just in the wrong place at the wrong time, or was he targeted?
The perpetrator's trail leads to the nearby army barracks.

There, commander Christian Fesek wants the investigation to be wrapped up quickly. Only young military police officer Patrick Beikamp offers Sarah his help. She eventually discovers that there is a particularly sinister agenda behind the rampage – and suddenly there is much more at stake. For Sarah, this case becomes a special challenge that will push her beyond her physical limits...