China, 1929. For years Lydia Ivanova believed her father was killed by the Bolsheviks. But when she learns he is imprisoned in Stalin-controlled Russia, the fiery girl is willing to leave everything behinda even her Chinese lover, Chang An Lo. Lydia begins a dangerous search, journeying to Moscow with her half-brother Alexei. But when Alexei abruptly disappears, Lydia is left alone, penniless in Soviet Russia. All seems lost, but Chang An Lo has not forgotten Lydia. He knows things about her father that she does not. And while he races to protect her, she is prepared to risk treacherous consequences to discover the truth.