Jewish prisoners in the Sonderkommando at Crematorium IV blow up a crematorium using explosives collected by Jewish women assigned to forced labor at an armaments factory. They revolt against the guards, killing several. The uprising is quickly put down by Nazi units, who execute participants.
An anonymous tip leads Nazi authorities to storm the Frank family's "secret annex" in central Amsterdam. They capture all of those in hiding and deport them.
The successful D-Day invasion and Soviet advances westward increase dissatisfaction with Hitler's leadership among high-ranking Nazis, who plot against the Führer. The assassination fails and the conspirators are executed or commit suicide.
Nazi authorities allow a delegation from the International Red Cross to visit Theresienstadt and review conditions. In preparation for the visit, the Nazis deport thousands of Jews to Auschwitz-Birkenau to relieve overcrowding in the ghetto. The SS forces inmates to build fake structures to showcase the ghetto to Red Cross members. The hoax succeeds in hoodwinking the visiting delegates.
President Franklin Roosevelt creates the War Refugee Board after an inquiry demonstrates that the US State Department has turned a blind eye to the fate and potential rescue of European Jewry.