As the Birchalls take advantage of a political reshuffle, an old friend re-emerges to weave her way into the company. Meanwhile, a trendy rival beer begins to pose serious competition.
The Birchalls hire a well-known metal singer to star in an advert and revitalise their image. Meanwhile, Thomas, Bruce and The College Fryer have a bone to pick with their hop supplier.
Sian presents the company with scandalous revelations, as tension rises ahead of David Bugle's vote. William spends some time away to clear his head, with an unlikely companion.