The Concubine's Secret (The Russian Concubine #2) by Kate Furnivall

China, 1929. For years Lydia Ivanoca believed her father was killed by the Bolsheviks. But when she learns he is captive in Stalin-controlled Russia, the fiery-haired girl is willing to leave everything behind -- even her Chinese lover, Chang An Lo.

Journeying with her half-brother Alexei, Lydia begins a dangerous search. Then Alexei disappears and Lydia is left almost penniless in Soviet Russia, doubting the choices she has made. Surrounded by dangers, she searches for information and soon finds herself entangled with a Russian officer.

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 . . .