Pete and Jo have to prove to the immigration office that their marriage is legitimate, so they have to find out all there is to know about each other. Adam gets a job and Karens job keeps her from home. David and Karens divorce goes from bad to worse.

Karen's plan to go it alone pays off in more ways than one; Pete's world falls apart.

Adam and Karen's future is thrown into jeopardy by an unexpected offer, and David is in turmoil over his growing feelings for Robyn. While Jenny braces herself for her first mammogram after her treatment for cancer, Pete helps their son Adam realise his dream.

Adam and Karen are enjoying the excitement of their fledging relationship, but are all too aware that their secret will need to come out sometime; David befriends the owner of a local café, Mary, and ends up helping her out of a chaotic lunchtime rush; and Jenny heads for a chemotherapy session and gets some heartbreaking news.

Jenny raises the subject of Harry's will again with Pete, who is devastated when Chloe announces she no longer wants to call him dad. Tina attempts to find Adam his dream home, while Karen is intrigued when a potential backer approaches her and the subsequent meeting with the handsome young media entrepreneur goes better than expected.

David and Karen invite the other couples to a black tie charity dinner where David spends the evening networking, but Jenny gets drunk and starts a fistfight with his female boss. Meanwhile, Rachel reveals a secret to Karen.

A chance encounter gives Pete a boost, while Jenny faces fresh heartbreak and Karen attempts to make amends with her mother. David starts his new venture, but soon realises that all is not as it seems.

Adam is enjoying his new relationship, but he is unable to help feeling jealous when Karen's head is turned by Dan the benevolent vicar. Jenny starts chemotherapy and gets a new lease of life when her cancer buddy Charlie encourages her to join the hospital choir, while Pete finds himself in a dilemma when Chloe - terrified her mum is going to die - asks him to formally adopt her. Homeless David takes refuge at the airport, but a chance encounter with ex-wife Robyn forces him to admit his plight.

David opts to stay home and take care of his son rather than get a new job. Rachel comes back without a baby. Pete learns that Jenny no longer loves him.

Rachel and Adam undergo their first treatment. David and Jessica go for a drink and feel a mutual attraction.

The day of Adam and Rachel's wedding arrives. David is forced to come clean to Karen about his affair.

Reeling from the revelation that Adam has cheated, Tina arranges a rendezvous with Sarah to hear her side of the story. Karen's feelings for Gareth are tested when she discovers that he has kept a big part of his life from her, while David takes matters into his own hands after a threat is made towards his daughters. Although in no position to do so, Adam offers Pete some relationship advice - with disastrous consequences. Indie singer-songwriter Badly Drawn Boy makes an appearance as a busker, alongside James Nesbitt, Leanne Best, Hermione Norris, Robert Bathurst and John Thomson. Last in the series.

Pete kisses Ramona, Jenny takes a chance on Robert, and Rachel is told she is unable to have children.

Karen has a midlife crisis, smoking dope, getting a tattoo, and shocking David's friends in the process. Jenny finds out about Pete's affair with Amy.

David and Karen have twins, and Adam and Rachel want children. Pete has to move in with Jenny, who has met a millionaire.

Adam has not heard from Rachel for six months and is feeling broody. Jenny and Pete's marriage seems to be in trouble.

Baby-making miscommunication drives a wedge between Adam and Tina, while Karen's new business partner is concerned by the health of her accounts. Jenny inadvertently drops her colleagues in it when she tells her boss they could afford to lose a few employees. She will get to choose who makes the cut, but back home Pete is horrified by her behaviour and begins to wonder just what he has unleashed. Comedy drama, starring James Nesbitt, Leanne Best, Hermione Norris, John Thomson, Fay Ripley and Robert Bathurst.

Adam begins a journey of self-discovery that opens his eyes, as well as his heart, while Jenny grapples with her secret, and Pete is preoccupied with helping the troubled Evan. David struggles with being a kept man since Nikki's windfall, and Karen prepares for the twins' 18th birthdays.

Reeling from Matt's revelation, Adam's attempt to right his son's wrongs doesn't go quite according to plan. Heartbroken and angry, Karen is on the warpath - with David not far behind her. Elsewhere, the Giffords have their own family drama to contend with. Siobhan Finneran and Robert Glenister also star.

Tina refuses to let skeletons from the past haunt her. Adam wishes it were that simple. David is way out of his depth.

Adam and Rachel are shocked to learn their house is up for auction and financially out of their reach. The relationship between Pete and Jo is still fragile and becomes more so after Jo spends a weekend away for work purposes. Karen is shocked to learn about David and Robyn's relationship.

Tired of Adam's preoccupation with a glamorous female neighbor, Rachel decides to baby-sit for Pete and Jenny, who need to get out so that they have something to talk about besides the baby. Meanwhile, David and Karen decide to see a marriage counselor.

Jenny and Karen fall out briefly after trying to work together. Adam and Rachel announce their engagement.

After moving in with Rachel, Adam learns that she is still married; Karen agrees to have another child with David, but then finds out he's made a bad investment; Pete and Jenny have difficulties with their newborn baby.

David seeks sexual advice from Adam, saying that Karen just doesn't arouse him anymore; Pete seeks to resume intimacy with Jenny now that their baby has been born.

Karen is still jealous when David is talking to other women. Meanwhile Pete and Jen find out, that there will be a new family member around soon.

Adam finds himself in hot water at work, while his relationship with Karen continues to affect the group. Jenny's finished her cancer treatment, but her struggle is far from over. David begins to see Mary in a new light.

Adam reveals that he has changed his mind about starting a new life in Singapore as his son needs him in Manchester, while David continues to try to impress Adam's father-in-law. Jenny and Pete's money worries have taken a toll on their marriage and particularly their sex life, leading Jenny to remind him of the bedroom fantasies they used to act out when they were younger. However, when even that fails to do the trick, the attentions of a client at work leave her flattered - but would she ever cheat on her beloved husband?

Rachel returns to her old job and starts dating a younger man. Pete and Amy find solace together. Jenny convinces Adam to reply to a lonely hearts ad.

David's younger brother Nick visits and has a fling with Rachel. Adam discovers that he has testicular cancer which prompts Jenny and Pete to give their marriage another go. Rachel tells Adam how she really feels about him.