Katy professes her innocence but Dee lets her in on her little secret, sending Katy over the edge. Jude disappears from Sorcha's care. Sorcha and Briain go in search of her but in their haste hit somebody with their car. Who could this be? A heartbroken John Joe wants to protect Katy but when Katy starts to accuse Dee of gas lighting her, John Joe has to accept that Katy needs professional help. Can Katy convince them otherwise?