In the Cotswolds, O'Hara points out the elephant in the room. Maeve pivots, testing Conrad's resolve and Alice comes to Jan for a favor. Eddie and Gina make common cause. Harry, with the clock ticking, takes extreme measures.

Cast: Tom Hardy, Pierce Brosnan, Paddy Considine, Joanne Froggatt, Lara Pulver, Anson Boon, Geoff Bell, Jasmine Jobson, Mandeep Dhillon, Daniel Betts, Helen Mirren