When Julia's ex-boyfriend, Howard, is in town for the weekend, past and present worlds collide—New-baby stress meets IKEA mayhem, and Charlie's jealousy blows out of proportion. In the meantime, Frankie has come to a realisation—she wants full custody of her and Charlie's eight-year-old daughter, Lou. What's more, Frankie makes the shock discovery that her mother is having an affair with a married man.
Frankie seems full of hope when Julia's ex, Howard, asks her out. However, Frankie's mood quickly changes when she realises how her friends and family feel about her dating Howard. When Charlie forgets her birthday, Julia enjoys a quiet day's shop-lifting. When store manager, Dominic, catches her, Julia finds herself first confiding in and then pashing him when he lets her off the hook.
Frankie is experiencing a great change, and while it should be making her happy, it's causing concern. The single mum has fallen in love with Julia's ex, Howard. But she's wondering whether she can cope with juggling her new relationship, being a mum to her young daughter, Lou, and work stresses. Meanwhile, new parents Charlie and Julia should also be enjoying themselves, but something is about to snap. When an argument between the couple escalates, Julia says she's had enough. She moves out, taking their baby, to stay with her parents.
Katie moves out, claiming she can't live in the same house as Frankie. Tom tries to convince her to stay, but without luck. Frankie manages to loose Toby while she baby sits, making her release she might want another child.Charlie wants Julia back, but she refuses, saying he only wants her because she's seeing someone else.
Frankie is taken by surprise when she finds that she has discovered love again. Meanwhile, Frankie and Lewis' friends are taken by surprise when they are invited to an impromptu wedding reception. Tom attempts to reconnect with Kate. Charlie reminisces about Lou's birth when he is unexpectedly called upon to take his pregnant client to the hospital.
Having both sons living back home is proving too stressful for Gerry who begins to crack under the pressure. Julia's relationship continues to spin out of control and she finds herself looking for a new home after her parents evict her in response to her letter. As he watches Frankie and Lewis blissfully happy in their new life, Tom (still living with his parents) seeks revenge for the emotional turmoil Frankie has caused him.
Frankie is furious when she finds Dylan and his friends conducting a seance to conjure Lou's spirit. Tom sets out to complete the tasks Katie set for him but things get complicated when Katie finds she is pregnant and refuses to tell Tom. Di and Clive arrive home from the U.S. and Clive, on his death bed, is taken straight to the hospital.
Charlie and Julia embark on their new life together. Tom and Katie rediscover what holds them together and fight for a second chance. Frankie and Lewis discover they are pregnant and Frankie deals with the mixed emotions of impending motherhood and memories of Lou. Dylan struggles to find his place in the world and finds himself in trouble at home and at school. Season Finale.
Tom moves back to Sydney with a new lease on life, a new job and a new love interest. Frankie and Lewis are at odds after suffering a traumatic loss. Frankie starts a new job and embarks on a secret search for her long lost father. On Lewis' advice, Dylan explores the geography of teenage sexuality.
Julia and her estranged sister Simone share a surprise encounter. Frankie is overwhelmed by her hew job and horrified when she discovers how much financial debt Lewis is in. While celebrating his birthday, Gerry makes a surprise announcement. Dylan and Tom bond over restaurant work and staff parties.
Now living with Di, Frankie plunges herself back into her art as a means to dealing with her separation from Lewis. Meanwhile, Lewis suffers a dangerous relapse. Julia shares a wild girls night out with her sister Simone, who lets her in on one of her biggest secrets. Charlie is finding living with the sisters challenging, to say the least. Tom witness a bag-snatching and has an epiphany.
Frankie comes to Dylan's aid after he winds up in hospital. Meanwhile, Lewis decides to start over and applies for his driver's licence. Charlie and Julia go out for a night together, leaving Simone at home with Toby. Her adventures in babysitting don't go to plan. Frankie and Lewis confront their true feelings about each other and contemplate their future.