After Costello receives surprising news that might transform her circumstances, she and Iris tie up some loose ends before leaving London, confident that they will soon return. However, as mounting pressure online threatens to take away their escape route, Costello spirals back into bad habits. After the visit from Fen, Selby opens up about his father during a heated conversation with his therapist. Gloria struggles to come to terms with becoming a mother, with dangerous consequences. Show less