The conversation between human and AI assistant.
What does the final phone call at the end of Season 1 Episode 1 in "The Man in the High Castle" mean?
What is the package that Joe is transporting?
The contents of the package remain unknown at this point in the series, but it's clear that it's of immense importance to the Nazis and that Joe is willing to risk everything to transport it. The package is a key plot point throughout the first season.