Alarm für Cobra 11 is very popular action show in Germany, full of breathtaking action, exciting stories, swift investigators and roaring of strong motors in the race between life and death. What makes this show so special is the precision and beauty of car accidents, crashes in high speed, especially on the highway. Usually, a dozen of cars are wrecked every episode.
All dangerous scenes are filmed under director and stunt specialist Hermann Joha who cooperates with BMW and Mercedes companies.
In a car chase Semir gets into a hell of flames on the site of a gas filling station. At the last moment the fireman Tommy Gernhard saves him in front of a huge explosion. The attractive squad leader is the new boyfriend of Susan, who is expecting a child by him. When Alex and Semir little later an art handler locate murdered, it is the same Tommy, who flees from the scene. He swears Susanne, not to be the murderer and asks her for help to find the real culprit. But Tommy is not as innocent as he claims. Alex and Semir cover up Susan's dedication to her friend, but come by themselves targeted by Attorney General Sander.
The PAST family is still in shock: A member of the autobahn police was killed in an attack. Semir and Alex do anything to catch the murderer Markus Hofer. But when they recorded a first track, the two will be wiped out by the new chief prosecutor Sander: You all are too emotionally involved to continue to work on the case can objectively. But that holds the two does not occur. On their own they trace it on - and can arrest Hofer. But out of prison he beats both a barter before: his freedom - against the lives of hundreds of people! For Hofer knows, he claimed that the attack plans of an internationally wanted terrorist, who is out again soon. The proposal falls Alex and Semir in a crisis of conscience: Should they get involved in this pact with the devil? Together with Hofer make Semir and Alex on the way to avoid the last minute the attack on a fully loaded Hockey Stadium. But then both partners must recognize that Hofer held the whole time the reins. And now Hofer is free again to take cruel revenge.