 Salkaházi opened the Working Girls' Homes to provide safe haven for Jews persecuted by the Hungarian Nazi Party.In 1943 she smuggled a Jewish refugee from Slovakia, disguised in the habit of the "gray sisters, and the woman's son, out of the Sisters' house in Kassa, which was being searched by the Gestapo, and brought them temporarily to Budapest.During the final months of World War II, she helped shelter hundreds of Jews in a building belonging to the Sisters of Social Service in Hungary's capital, Budapest.