An impromptu attempt to win Joe some friends leads to a breakthrough moment for Alison, but how long can it last? Maurice and Louise come to blows over Joe, while Rebecca turns to Eddie for relationship advice.

When Joe says the A word for the first time, Paul and Alison know they must talk to him about his autism. Maurice is catapulted back into the life of Louise, and Eddie and Nicola have a secret to keep.

An "End of Year Show" at Joe's old school brings his family members together. Paul’s deepest feelings about his son’s autism emerge when Nicola makes a film of Joe’s behaviours. Eddie reaches D-Day with Holly, while Maurice makes a shocking proposal.