In the Bosom of the Enemy (2001)

It's the story of a young woman, whose husband, is arrested by the soldiers of a Japanese garrison, on the suspicion that he is a guerilla. Dizon pleads her case to the garrison's commander, who sympathizes and lets Yllana go; when the commander's wife dies and leaves their son motherless, Dizon, is hired to feed the baby from her own breast.

Unfortunately the movie In the Bosom of the Enemy is not yet available on HBO Max.