You Must Remember This by Mary D. Brooks

In this sequel to the very popular 'Out of Darkness,' Eva and Zoe continue to build their life together after the horrors of World War II. With the help of Alberta Haralambos, Eva's step-mother, Eva manages to get out of the factory and use her language skills in the ever busy interpreter division. Zoe sets out to fulfill her dream of studying for her arts degree. Then from out of Eva's past comes a woman, Greta, who threatens their happiness. And, Greta is hiding a secret that when revealed will lead to extraordinary measures to be taken to bring her to justice.