What is the main conflict in Under a Cruel Star: A Life in Prague 1941-1968 by Heda Margolius Kovaly?

AHeda Margolius Kovály née Bloch, a Jew, and her family were forcibly evacuated from their home in Prague to the Lodz Ghetto during October 1941. They remained there as conditions deteriorated and the family lost at least one cousin during this period of incarceration. The family otherwise remained more or less intact for three years until about September 1944 when they were forcibly evacuated to Auschwitz concentration camp.