Caitlin is thrown into an absolute panic on the day of her English exam. After the battle lines are drawn, Amber takes desperate measures to see Charlotte. Robbie and Frankie form an unexpected alliance as Frankie sets her sights on her aunt.

Scarlett's lies come back to haunt her when Madonna's efforts to make a family tree bring to light a big brother she never knew she had. Will Scarlett reconnect or push her long-lost son away? Annie is determined not to let Frankie's blackmail dictate her life but will she be able to tell the ones she loves that she hurt them? Angus is unable to face up to his fears when he starts presenting worrying symptoms.