Adam and Rachel learn that their house is auctioned, but they can't afford it. On her way to the auction, Rachel gets in a car accident and her friends gather at the hospital.

Adam, Karen, Jenny, Pete and David are saying their goodbyes to Rachel. The whole gang is grieving differently, and they all visit Portmerion to spread her ashes. Jo and Ramona have a collision. Robyn meets some new people and David is making a final decision. Everybody is moving on with their lives.

Rachel and Adam are desperate about the adoption's agency decision regarding Laura. Pete develops first interests in his new house guest and Karen returns to work and is surprised in her new boss.

Adam is afraid about his prospects to become a father; meanwhile Rachel visits an old friend in New York. Pete and Jo are getting closer, but there is one problem; she has still a boyfriend. David is desperate to find a birthday present for Karen.

Pete is afraid of his fast moving relationship with Jo, who's visa is about to expire. Adam and Rachel start to fight about the baby's name and their relationship. Karen starts an affair, while David is occupied with work.

Adam and Rachel wage a territorial battle over whose place to move into; David and Karen hire a nanny and differ over the issue of having another baby; as Pete and Jenny anxiously await the birth of their first child, Pete's meticulous planning comes to pieces when he mislays his mobile phone.

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

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.

Pete and Jo are grilled by immigration officials about their marriage. Adam is made redundant.

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.

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

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.

Pete has to find somewhere to live. Jenny is sacked by her employment agency. Rachel and Adam are ecstatic when Rachel's period is two weeks late.

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.

Pete has himself finally arranged with David, when another guest is moving in – nobody else than his mother. Adam and Rachel wait for the decision of the adopting agency and Karen and David discover the negative sides of their material disagreements.

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.

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.

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.

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

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.

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.

Adam faces a life crisis, but Rachel thinks she can help him. David and Karen start to dig up dirt for their ongoing divorce. Meanwhile Ramona finally finds her love.

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 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.