As a memorial is held for Ignatius on the mainland, Father Bob arrives on the island to annihilate the Sisters of St Agnes. Iphigenia's loyalty is tested by a deal with the devil to save the monastery.

Cast: Ann Dowd, Essie Davis, Jessica Barden, Sam Reid, Gael Ballantyne, Eddie Baroo, John Bell, Asha Boswarva, Ryan Bown, Arianthe Galani, Daniel Henshall, Damon Herriman, Huw Higginson, Diesel La Torraca, Emma Lancaster