Season: 5 | Episode: 3 | Length: 70m

Line of Duty co-stars and lifelong friends Neil Morrissey and Adrian Dunbar embark on a journey across UK and Ireland to explore their family histories. Neil was taken into care when he was just 10 years old, and feels utterly disconnected from his family history. Desperate to fill in the gaps, he has enlisted Adrian to support him on what they both know will be a deeply emotional journey. In Castlecomer in southern Ireland, Neil reconnects with his cousin Marilyn. A performer like himself, she is finally able to give him the family folklore he craves. Meanwhile, a DNA test reveals some shocking news for Adrian, before he hears about the heart-breaking struggles his grandmother faced