Emma's family bonding reveals shocking home truths, Mac gets an admirer, and Catherine's plans come unstuck.

Michelle's indiscretion has far reaching consequences, as Brian rides to the rescue. But will the truth threaten his chances?

Jo drives a wedge between Mac and Catherine, as Michelle finds a champion in her battle against the enemy.

Brian fights to save Sonny Bill, as Emma meets an old nemesis. And quiz night intrigue sets Michelle and Catherine on opposing teams.