The harmless Berlin taxi driver Herbert Boeckmann has a bad day: Three mysterious gentlemen put the corpse of Boris Stravinsky, a Russian economist, into the car. Unsuspecting Herbert brings the "passenger" to East Berlin. There Boeckmann falls into the clutches of the KGB, who considers him a top agent of the CIA. As Herbert eventually returns to the western part of the city, the CIA waiting for him to be the taxi driver again suspected of being a top agent of the KGB. To prove his innocence, Herbert must find the real killer of Stravinsky. Herbert is given mysterious vials to which he sniffs in extreme situations, helping them not only to amazing powers and unsuspected abilities. As Super Agent "Herbie Melbourne" mixed Herbert on the agent scene. But between the lines he gets in the line of professional killer.
Inside the Kit Kat Club of 1931 Berlin, starry-eyed singer Sally Bowles and an impish emcee sound the clarion call to decadent fun, while outside a certain political party grows into a brutal force.
During World War II, American officer Capt. Lee Mitchell (Stuart Whitman) and a British military unit boldly infiltrate German-occupied enemy territory and attempt to kidnap brilliant Nazi scientist Dr. Von Heinken (Pinkas Braun) and bring him back in one piece. While shuttling their prized captive to safety, the Allied forces courageously assist desperate refugees and tussle with overpowering German and Russian forces.
Pepe Notnagel (who inexplicably had his name changed from the first movie's Nietnagel) and his classmates scheme to get around doing any actual school work by cheating or sending their teachers to the sanatorium. A Swiss documentary film maker disguises himself as his brother in law, who got a position as an exchange teacher, to aid his project of making a movie about the current youth.
Therese Hübner, owner of the “Linde”, is desperately trying to protect her long-established business from being taken over by the “Palasthotel”. But the bank manager doesn't want to grant her the loan she urgently needs, as he is betting on the newly opened luxury hostel. It's now old or new for the Linden landlady, who is shocked to realize that her daughters are also in favor of “modernity”. But just as she's about to give up, the tide turns. An admirer in love with his daughter Sabine plays fate...
The adaptation of the eponymous play by Carl Zuckmayer tells the story of renegade general Harras of the German Luftwaffe, who during WWII openly criticizes the Nazi regime. As a consequence, he is put under surveillance, and even imprisoned for a brief period of time. Still remaining outspoken, Harras realizes the horrific dimensions of this hopeless and injust war waged by Germany.