When rookie cop Ryan discovers a burglary at his brother's house, he calls in Marlene for help. Marlene is sure there's something funny going on – and she's proved right when Ryan's brother admits that there was no burglary, he was in the process of leaving his wife. As Ryan discovers what has really been going on in his brother's seemingly happy marriage, he's forced to reconsider the way he's been treating his girlfriend Niamh – and to make a momentous decision.