Natalie is defensive as Barry quizzes her about her family history. Barry's imagination gets the better of him. He invites Natalie's mum to dinner. He breaks the news to Natalie. She greets it with barely concealed fury. Jamie confronts Grant, asking him what he was up to with Billy. Grant pleads ignorance. Feeling betrayed, Jamie does a runner. He finds a surprise ally in Dot. Lisa finds Jamie spray painting down at the allotments. She tries to reach out to him but he doesn't want to know.