With Lucy missing, a panic-stricken Kate and Rob call on her friends in an attempt to find her. But as Rob's colleagues join the search, CCTV footage of her getting into an unknown vehicle leaves them more fearful than ever. At work, Kate is mortified when an anonymous email sends shockwaves through the register office - and as her colleagues reel from the content of the explosive message, Kate suspects that Judy has been up to no good once again.