Having explored how the Bible uses the terms 'devil', 'satan' and 'demons', Paul and Dan now turn to the whole subject of whether the Bible talks about fallen angels.  Is the phrase 'sons of God' used to refer to angels?  If so, does that include spiritual beings with independent power to oppose God and his people?  Using the framework of Michael Heiser's book, Unseen Realm, they start to examine what is termed the 'Divine Council' worldview.  This involves grappling with some of the most mystifying parts of the Bible text - but hey, we're just ordinary people trying to understand the Bible better!