Police officers Sophia Rühlemann and Sebastian Fuchs from Hamburg-Hamm are chasing a burglar who is believed to be hiding somewhere inside a vast office complex. A reckless escape attempt suddenly puts the officers in a dangerous and challenging situation. At the same time, the criminal investigation unit is on its way to a mysterious death. A young man has collapsed and died unexpectedly in the middle of the street. Investigators Katrin Kernig and Michael Walther begin searching for answers, trying to piece together what really happened.