After selling their home on Bachelors Walk, Raymond has been living alone and struggling with his writing career; Michael is back at home with his parents, experiencing a kind of regression; and Barry has become a success in London, but…
Raymond is excited because his ex-girlfriend is moving back to town. His roommates mess with him but also encourage him stay calm when he meets her. A potential new roommate comes to look at the fourth bedroom.
The boys decide to throw a party to celebrate Michael's 30th, but he is reluctant to join in the festivities after a huge argument with Jane. Raymond invites the object of his affections, but is dismayed to discover he has some competition.
Barry walks out of his computer class to launch his own brainchild "The Boland Corporation".
Michael is devastated to learn of Jane's pregnancy and turns to the bottle to console himself, while Allison takes a depressed Raymond and Barry to Donegal to meet her fiance.
Raymond and Allison cannot shake the holiday fever they have picked and try to have a cheap day out in Dublin. On discovering he is about to be a father, Michael is inspired to look for work, and Barry also has his own dreams to pursue.
Raymond learns his ex-girlfriend Kate has been involved in a car accident and rushes to her hotel bedside - where she leaves him shaken by confessing her love for him.
Allison's fiancee visits Dublin and has a bone to pick with Raymond.
Raymond gives serious thought to selling up and moving to the countryside, convinced there's no future for him if Allison leaves town with Mark. Meanwhile, Michael gets an emergency call from Jane, who's ben taken into hospital.
Michael has a stag party the night before his wedding to Jane.
Michael and Jane return from their honeymoon, and Allison returns to town.
New tenant Russell arrives at number 49 and his odd behaviour gives Raymond cause for concern.
Sally suggests to Raymond that she'd like to meet Allison.
Michael and Jane's new flat is finally ready for the big move.
Barry comes to terms with his imminent fatherhood and visits Constance with a proposal in mind, but discovers that she has some ideas of her own on the matter.
When Allison explains to Raymond that she is frustrated with his lifestyle, Raymond is prompted into action and gets a teaching job in Mullingar. Is this the beginning of a lifestyle re-evaluation for Raymond?
Raymond embarks on his first day of teaching, and Barry wants more responsibility at the record studio.
Michael goes drinking instead of studying, Barry signs a band called 'The Margins', and Raymond's parents come for a visit.
Allison becomes increasingly fed up living with Raymond's parents and the tension between the couple grows. Terry offers Allison the room above the gallery, an offer which she finds very tempting.
Having spent nearly all his spare time with Derek, Michael's life begins to unravel when he realises he is totally unprepared for his law exams.
Michael helps Barry and Vicky reach a deal with the record company, while Raymond grows close to one of his students.
