Wife of a Spy (2021)

Satoko Fukuhara is a Japanese actress whose wealthy merchant husband witnesses government-approved human experiments while on a business trip to Manchuria. A mysterious woman who returns with him from the trip is murdered and life-changing consequences await them as the couple plot to smuggle evidence of the atrocities out of Japan to the United States. Meanwhile, Satoko's childhood friend, now a military policeman, is hot on their heels.