Keeping a secret is hard work, especially when all you really want is the comfort and support of your family. Georgie conceals the true reason for posting a raunchy profile picture on Facebook; Caroline struggles to keep her crumbling marriage a secret from Bernadette; and Matt continues to hide his relationship with Alice from everyone around him. Meanwhile, at work, Bernadette discovers there's a reason behind her colleague's odd behaviour and pushes her to confess. But secrets have a way of getting out. Georgie finally reveals why she put the photo on Facebook and Caroline pours out her heartache to sympathetic Luce. Matt clings to his secret even as it threatens to hurt those around him. (thetvdb.com)