Rob discovers the photographs Kate had hidden, and before long a series of secrets and lies come tumbling out between the couple. As Kate is forced to face the reality of her choices, her team at work prepares to set up a sting with immigration to catch Marcia in the act. But with the police back at the register office, she is worried what will happen if Rob and Rick end up in the same room together. Meanwhile, a celebrity wedding is threatened when the bride and groom realise they have forgotten something important.