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.

Tina organises an eventful surprise party for Adam, which is attended by a few of his friends and lots of hers. When Pete and Adam nip out on a booze run, they find themselves staring death in the face.

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.

Adam meets his first love while on his stag weekend. Pete discovers that David has been unfaithful.

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.

Adam's dad visits, but isn't welcome anymore. Jo is working the entries weekend, but ends up in an unknown bed, while Karen has to face the truth about David and Robyn.

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.

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.

The gang is reunited when Adam turns up in Manchester to announce his impending marriage, but not everyone is as thrilled as he is. Without the blessing of his friends and family, Adam begins to have doubts.

Adam is beginning to have feelings for Tina and suspects that she may feel the same. Pete and Jenny finally agree on a compromise with Harry's daughter. Still concerned about Pete's mental well-being, Jenny persuades him to attend a mindfulness class. When Karen discovers that David's finances have hit rock bottom, she notes that he could dip into the girls' trust fund, unaware that he has already done so. Can David sink any lower?

As the gang heads off to a music festival, Jenny is determined to make the most of it, but Pete is suspicious of her erratic behaviour. David enjoys the perks of festival life a little too much, while Adam and Karen discover that reliving their youth has its consequences.

Jenny's secret is finally out and the gang rallies round to support her, while David's situation goes from bad to worse, but he is too proud to ask for help. In a desperate attempt to prove their kiss meant nothing, Karen sets Adam up with her illustrator friend Caitlin. Starring James Nesbitt, Hermione Norris, John Thomson, Fay Ripley and Robert Bathurst, with Eve Myles and Paul Kaye.

Adam reaches out to Laura but risks upsetting his family as a result. Karen and Jenny's weekend away is hijacked by their mothers. Pete's attempts to reunite the Three Amigos ends in disaster.

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.

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.

The three couples spend the millennium on Holy Island. David is upset to find that no-one likes him. Adam and Rachel plan their future.

The group is back from Sydney and Rachel gave birth to a baby boy. Adam and Rachel try to work things out, but Rachel doesn't listen, because she only cares about the baby. David and Karen's divorce gets complicated when Karen decides that she needs a lawyer of her own. Pete's mom is moving in with the newlyweds, but first thing she does is go off and buy some cannabis.

Jenny is shocked when an old flame turns up at work. Reformed alcoholic Grant wants to right the wrongs of the past, but his arrival opens a can of worms.

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.

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?

When David is woken in the early hours by the police, he assumes that something terrible has happened to one of the kids. Relieved to hear that this is not the case, the rug is pulled from under his feet when he finds himself under arrest.

David's wife turns against him. Pete receives another blow. Jen's facade finally begins to slip. Adam worries when his wife becomes increasingly distant.

Adam comes out on top, but his excitement is short-lived when reality hits, while Karen is put in an impossible position. In the wake of her mother's death, Jenny makes a discovery that sends her into a tailspin.

A meeting with a famous and handsome author, who wants her to edit his new novel, tempts Karen with thoughts of adultery; Adam is inspired to resurrect an old novel he was writing; and Pete's controlling parents make a visit.

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.