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

Journeying with her half-brother Alexei, Lydia begins a dangerous search. Tension grows between the two, for while Alexei is searching for his past, Lydia is looking for her future. But when Alexei disappears, Lydia is left almost penniless in Soviet Russia – and 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…