Alarm für Cobra 11

After being chased by criminals, Detective Degenbach dies in a car accident. Anna Engelhardt knows Degenbach, since he was one of his instructors at police academy. She also knows Robert Meyer, Degenbach's superior at the LKA - she once had an affair with him. Meyer convinces her that Degenbach was a traitor who was killed by henchmen of drug lord Mario Krämer, but Semir and Ben do not believe him. Somebody else must in Meyer's team must be the traitor. Meanwhile, Anna Engelhardt starts dating Meyer again.