Susan is lying in bed, bored and depressed, with a broken leg, after Ben accidentally reversed the car into her. When Ben comes upstairs to see how she is they end up discussing their family, which depresses them both.
A particularly fearsome thunder-storm results in the family taking refuge in the master bedroom. However they are joined by a host of well-known faces including actors and television presenters, thanks to Nick, who is now a party reviewer and has decided to bring them home to meet the family.