Dee continues to drug Katy and loves the fact that others are beginning to notice her erratic behaviour. Katy not knowing why she is behaving the way she is, has a panic attack. Will Katy seek help? Briain, hoping to patch things up with Berni, is put into a difficult situation with Jude. Has Berni misread the situation? A suspicious Caitríona questions why Michelle has decided to stay in Ros na Rún. Will Michelle tell her the truth? Colm had no intention of getting Mo a ring but soon doubts this decision.