Ellie: "While Cat's over the moon to learn about Callum, Cathy's terrified because she’s just snogged her own brother! The arrival of Callum creates a buffer between Cathy and Cat and allows for new friction between them."
Lauren: "I was very happy that we had some fresh meat to get our claws into! Callum’s arrival brings about a new dynamic between Cat and Cathy, which was amazing."