With Lucy missing, a panic-stricken Kate and Rob call the police. Kate's mortified when an anonymous email sends shockwaves through the register office - and all eyes turn to Judy.

Kate's horrified to discover Judy has sent Rob a USB stick of the footage - but has he seen it? Meanwhile the registrars prepare for the raid on Kristina and Amir's wedding.

After Rob's surprise proposal Kate struggles to choose between her heart and her head. Kate is shocked to discover the real reason Amir and Ramin knew about the sham marriage raid.