Just when you thought Stella's house couldn't possibly get more crowded, Michael decides to base the office for his go-it-alone solicitors' firm there.

Stella worries about Michael, who is acting out of character, while Aunty Brenda and the newly flush Dai lock horns during a fraught business meeting.

Trouble looms for Stella and Michael when the latter makes a monumental mistake. Big Alan, meanwhile meets his match, and Dai organises a poker game.

Katie's small birthday lunch spirals out of control, culminating in a shock revelation for Stella. Pressure mounts on Luke to find some extra cash, too.

While Stella struggles to move on from Michael, Celia receives a blast from the past. Aunty Brenda's political campaign hits an unexpected snag, too.

Stella is overjoyed when sister-in-law and best friend Paula makes a surprise return to Pontyberry. Elsewhere, Big Alan worries about Celia and ex-husband Dan.

It is election day and Aunty Brenda can taste victory until a slimy new rival decides to enter the race. Ben and Lily go on a disastrous date.

Big Alan and Celia nail their fancy dress theme as they tie the knot in front of their nearest and dearest. Guest appearance by Gino D'Acampo as himself.