A tragic occurrence shatters the sisters' lives. Loftus and Houlihan's investigation takes an unexpected turn. Ursula reaches her breaking point.

Cast: Eva Birthistle, Sharon Horgan, Sarah Greene, Eve Hewson, Anne-Marie Duff, Barry Ward, Thaddea Graham, Saise Quinn, Conor O'Donnell, Aidan McCann, Jonjo O'Neill, Gary Lilburn, Kate Higgins, Michael Smiley, Fiona Shaw, Justine Mitchell, Peter Claffey, Jake Farmer