Stephen and Alison try to track down Andrew's birth mother, but have they crossed a line?

Andrew helps Alison's parents to make a life-changing decision. So Alison and Stephen conspire to solve the Andrew problem once and for all. Meanwhile, Geoff's relationship collapses.

The Barleycorn is called upon to host a pub quiz. Can Stephen redeem himself after he fumbled the jackpot question and incurred his dad's fury last time?

A rejuvenated Stephen heads back to the John Barleycorn, where pub landlord Andrew is feeling restricted

Stephen wonders whether Charismatic Mike (Anthony Head), one of Ellen's ex-lovers, could be his biological father

Stephen's on a health kick, Cass embraces student living and Geoff has a dramatic change in his relationship status. But things soon start to unravel.