Rosenstrasse (2003)

When Ruth's husband dies in New York, in 2000, she imposes strict Jewish mourning, which puzzles her children. A stranger comes to the house - Ruth's cousin - with a picture of Ruth, age 8, in Berlin, with a woman the cousin says helped Ruth escape. Hannah, Ruth's daughter engaged to a gentile, goes to Berlin to find the woman, Lena Fisher, now 90... (imdb)