This week we talk through a very strange episode in which God attempts to kill Moses, Zipporah performs a hasty circumcision, there's some kind of midnight declaration, and the attack relents. So....? It's a particularly strange exchange, which makes it a fascinating geocache. Why was God tryna KILL Moses? Why was Moses's son NOT circumcised? What does "bridegroom of blood" mean?! So, there's a lot going on here, but we chase down what we can. Let's look at the place of mystery within the story of faith – why it's there and what it tells us, and what secrets should we let it keep.