S1, E4: Michael Hennessy's lies catch up with him but his mum, Patricia, is determined to protect him. Despite Katie's promise to get on with estranged mum Bridget, there is an explosive showdown. A surprise visitor to the house rocks the family causing Bridget and Keith to resort to violence. Garda Angela Tyrell and Sharon Cleere make a tough decision and Sharon must keep quiet, yet again.