Cold Feet

Pete and Jenny set Adam up with Amy (Rosie Cavaliero), one of Pete's co-workers. Rachel arrives unexpectedly at Karen and David's house, and Pete later sees her with someone else's baby at the supermarket. Convinced that it is his baby, Adam invites Rachel around his house, where she tells him she had an abortion. David is made redundant and decides to become a full-time house husband after Josh is nearly hit by a car. Jenny tells Pete that she thinks she no longer loves him.

Pete reads Jenny's diary to see if there is another man in her life. He reads that she kissed Adam, and punches his friend at work. The two later sort out their differences. Adam is still trying to dump the clingy Amy, but invites one of her attractive colleagues, Rachel (2) (Rachel Fielding), to be his lodger. Rachel tries to make amends with Adam but his horrified when she finds him, Rachel 2 and Amy, half-naked in his hallway. Natalie offers David a new job.

Rachel returns to her old advertising job and is asked on a date by Danny (Hugh Dancy), a younger co-worker. Rachel 2 moves out of Adam's, so Jenny sets him up with a woman, Callie (Natalie Roles), from a lonely hearts column. On a team-building weekend, Pete and Amy book into a motel, where they sleep together. Karen and David go to Paris for their anniversary, and Adam is humiliated on his blind date when he is seated with Rachel and Danny.

A boring dinner party leads Karen to re-evaluate her lifestyle; she gives her expensive clothes to charity and gets herself a tattoo. Adam, Pete and Jenny get invited to their school reunion. Rachel breaks up with Danny, and, after agreeing to be friends with Adam, goes to his reunion as his pretend date. Pete tells Adam about his affair with Amy, and Adam—thinking they can share secrets—tells Karen, who then tells Jenny.

Adam is devastated when he is diagnosed with testicular cancer and a probable malignant tumour. Jenny throws Pete out of the house following his infidelity, telling him to take all of his things with him. Unable to cope with their petty fighting, Adam blurts out that he has cancer, shocking the couple. David's younger brother, Nick (Stephen Moyer), arrives at the Marsdens' house and takes a liking to Rachel. After his surgery, Adam and Rachel get back together, and Pete and Jenny give their marriage another try.

David arranges a trip for the couples to Lindisfarne, where they can see in the new millennium together. Pete and Jenny's relationship is frosty but Adam and Rachel make up for lost time in the bedroom. After Adam and Pete temoporarily get stranded in their boat while coming back from the mainland, the Giffords' relationship gets worse. Karen tells David she is pregnant. After Ramona removes the batteries from Pete's "Millennium clock", the couples see in the year 2000 on the beach.