D'Branin pushes ahead with his plan; Rowan processes his grief; Agatha finds a way to help.

Cast: Eoin Macken, David Ajala, Jodie Turner-Smith, Angus Sampson, Sam Strike, Maya Eshet, Brían F. O'Byrne, Gretchen Mol, Gwynne McElveen, Phillip Rhys, Derek Ugochukwu