Complex sentence: Two years later, in January 1945, with Soviet troops advancing, the Nazis begin evacuating Warsaw, and in a last attempt to find out where her husband is being held, Antonina visits Heck, to get his help.
Split into simpler sentences: Two years later, in January 1945, with Soviet troops advancing, the Nazis begin evacuating Warsaw. In a last attempt to find out where her husband is being held, Antonina visits Heck to get his help.