Colm is worried as to how Anto will retaliate now that he knows that someone tipped him off to the Gardaí. He hatches a plan with Seán to lure Anto into the hands of the Gardaí, but Seán is petrified of being attacked by Anto again. Tadhg is gobsmacked when Maggie tells him about her past hardships, and even more startled to learn that it was her father's lies that sabotaged their relationship many years ago. Laoise is furious to discover that O'Shea knew about her and Eric all along and was playing her for a fool. Gráinne gets some shocking news. How on earth will she break this to David?