Before the American Sam Zweigert can take over the management of an American precision machine factory, he has to go through a strict procedure for safety reasons. They are planning to take on a large arms contract for the government. To do this, his political reliability must be guaranteed. The award of the military contract is delayed, however, because the test procedure takes longer for inexplicable reasons and it is therefore not possible to appoint Sam as head of the factory. This means that people in the neighborhood are starting to rumble about whether Sam is politically reliable. Business people pick up these speeches and refuse to make contact, and even the closest family members begin to turn away from him. This is a smooth case of character assassination, even though Sam is innocent ...