Janice Overton is feeling quietly confident that her 1970s themed night will be a winner.
Luckily her guests are also in the mood for a bit of 70s nostalgia with the normally grumpy Brian arriving dressed as Noddy Holder and Alex squeezed into a PVC pantsuit.
But it's not long before a chill descends on the dinner table when Brian reveals that he's not keen on one of his fellow diners. And things get worse when everyone reveals how uncomfortable they feel in Janice's pristine house.