The U.S. Government recently dropped charges against Xi Xiaoxing, chairman of Temple University’s physics department, for illegally passing controlled technology to China. The reality of illegal Chinese acquisition for foreign science and technology is impossible to ignore; however, we also should remember the costs of not proceeding with caution. Mistakes damage reputations and livelihoods, even if those accused are technically innocent until proven guilty. One of the more famous examples of those persecuted, Qian Xuesen, left the United States, but became a leading scientist and administrator in China’s strategic industries and instrumental in shaping China’s program to acquire open source scientific materials. What contributions did the United States miss because of its failure to convict or clear Qian Xuesen? Qian’s story is the subject of this documentary.