Foul Heart Huntsman

A lover in peril. A nation under threat. The clock is ticking. Winter is drawing thick in 1932 Shanghai, as is the threat of a Japanese invasion. Rosalind Lang's identity as a national spy has been exposed. Orion has been taken, his memories wiped. Their marriage might have been a sham, but Rosalind won't rest until she gets him back. The only way to save Orion is to find a cure to his mother's invention and prevent a dangerous weapon from falling into foreign hands.
But the clock is ticking, and if Rosalind fails, it's not only Orion she loses, but her nation itself ...