On call to a job in Halifax for a few days, Mack tells Diane of his departure. Diane takes the news badly convinced he is trying to let her down gently. Determined to reject him before he rejects her, Diane feigns aloofness and practically chucks him out. Although confused by Diane's actions, Mack feels that maybe he had his wires crossed about Diane as she was so blasé about their relationship. Louise is compelled to stick her oar in, as Mack seems prepared to walk away from Diane without a fight. Will Mack let Diane know that all is not lost or walk away leaving his damsel in distress? Emily is forced to come clean to Paddy about her plans to foster. (thetvdb.com)