Tommy McCoy grew up poor and scrappy. As a young man he discovers that he can fight with his powerful right arm. He becomes successful at boxing, however he has an alcoholic father.
Fred J. Johnson (Lloyd Corrigan) scores a hole-in-one but his next drive, using the lucky, initialed golf ball, soars out of bounds and lands near a spot where some counterfeiters are burying a murder victim. Then begins a series of events in which he is hounded and threatened by the killers. The consequences of his not reporting what he saw to the police lead to a climax in which is daughter is held hostage by the crooks.
On the eve of World War II, the German Kurt Müller, his American-born wife Sara, and their three children, having lived in Europe for years, visit Sara's wealthy mother near Washington, DC. Kurt secretly works for the anti-Nazi resistance. A visiting Romanian count, becoming aware of this, seeks to blackmail him.