Louise and Maurice are shaken when an unwelcome visitor arrives on the eve of Ralph’s wedding. Mark and Joe test Paul and Sarah’s liberalism when they strike out on their own.
When Rebecca goes into labour, it falls to Joe to help his sister. Alison makes a decision about Ben, Paul makes Mark an offer, and Maurice has a big question for Louise.
Unsettled by a change in his life, Joe rejects his headphones. Maurice tries to solve all his family’s problems, Alison clashes with a stranger, and Rebecca has some big news.
Joe causes concern at school as he becomes fixated on his teacher, Heather. Paul helps Mark in his bid to join the army, and Rebecca sets the family straight about her pregnancy.
Maurice and Eddie lock horns on a kids camping trip. Paul tries to forge a connection with Joe. Rebecca interrupts Alison’s date with Ben to confront her about motherhood.