In Frankfurt am Main, a red sports car crashes into a wall and bursts into flames along with the driver. Erika Bongert, the owner, was not in the car and is not questioned by the police. Her boyfriend is CIA agent Jack Treets, who is able to keep her out of everything. He is soon in trouble himself, as Erika puts him under pressure ... Another car races across a road, this time on the transit highway to West Berlin. Erika Bongert dies as a result. The Ministry for State Security soon realizes that the American secret service is involved.

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