Alarm fur Cobra 11 Die Autobahnpolizei season 21

In a tandem operation with the Tirana police, Semir kills the son of an Albanian mafia lord, unknowingly triggering a relentless manhunt that puts his entire family in danger.

As the death of Isabel Frings is revealed to Semir and Alex as a murder, so too are the ulterior motives of Sander. The duo must now wage a merciless, personal war against the district attorney, even without the power of the badge.

Semir and Alex continue to investigate the death of Isabel Frings. As they are later caught in a prison revolt, the detectives must once again put faith in an old adversary.

The resurfacing of a serial killer prompts a co-operative investigation between the LKA and the Autobahn Police. Semir faces personal demons with someone he knows, and turns vindictive when she suddenly becomes the latest victim.

Semir and Alex are investigating an attempted murder of an astronaut, Thomas Bernhardt. It turns out, that the criminals want to steal data about a secret research project.

While Alex takes a vacation, a series of crimes performed in Jenny's name brings Semir to the rookie detective's old police academy, where familiar faces start to take a wrong turn.

On Alex's birthday, his biological father warns his son too late of a scheme put up by a hacker adversary, sending them both, and Semir, into a wild goose chase that puts almost everyone the two detectives know into an unknowing jeopardy.

Paul Renner joins Semir in chasing a Belgian syndicate, and must later thwart the launch of a ballistic missile. Also, Susanne gives birth to her child, and Semir is diagnosed with a traumatic brain injury from the last twenty years.

Kim Krüger, Cobra 11s chief, must deliver a million euros of ransom to save her niece Hanna from kidnappers. But he remains missing, and with him all the money. Semir and Paul begin to investigate - is their boss playing a dirty game?

Going deep undercover, Semir assumes the identity of infamous underground torturer Serdal Massad, and is pitted into an elaborate revenge scheme against Paul, with one problem: Semir has lost his memories and now thinks he is Massad.