Germany, Summer, 1938. Charlotte Kraus would follow her best friend, Angelika Haas, anywhere. Under the oppressive shadow of the Nazi regime, returning to an underground club, dancing to contraband American jazz and swing music. But Charlie does and Geli enjoy the thrill of disobeying the Party's rules. Soon the Swingjugend movement becomes a place where Charlie and her friends find acceptance, freedom, and camaraderie among others who are determined not to sit on the sidelines of history. Charlie is drawn to larger acts of resistance, even as Geli, the daughter of a senior Party officer, begins to pull away. How much is Charlie willing to risk? Her family, her friends, and the girl she loves?