When a local by-election comes round, it's time for all good men to come to the aid of the party. It's obvious which party Eddie is going to support ... or is it? He's always leaned a bit to the left - but blood is thicker than water!

Following a comment about virility, Eddie and Bill are competing to grow moustaches and prove their machismo. Meanwhile, Barbie talks Joan into making some extra money by becoming a fellow agent for her catalogue club.

Whilst planning for the annual Christmas Eve darts' match, Eddie and Bill challenge each other to a drinking contest. As Joan warns him, drunkenness always gives Eddie nightmares and it's not long before he's on a desert island...