Billie and Mick's relationship strains under the weight of her infidelity.

In the season finale, Nina prepares for the biggest day of her life. Meanwhile, Mick goes on a search to bring Billie home.

The Proudman family implodes when Nina and Patrick's counselling session goes public.

Nina and Chris attempt to seize the moment, but their future is threatened by a complicated past. Cherie's secretive behaviour prompts Billie to start playing detective, and Jimmy and Odile come to a crossroads in their relationship.

Nina prepares to say goodbye and pack up her things. Jimmy organises a farewell BBQ, but is unfortunately shutdown by rain. Kim goes into labour at the pub and gives birth to a baby girl. Billie and Nina make amends. Chris and Nina are left at a crossroads.

Nina vows to take charge of her love life, but as things with Brendan come to an end, Chris struggles to explain his past and Nina is left uncertain about their relationship. The Proudman family adjust to life with their newest member, Baby Ray.

Nina thinks the worst of her day is over, when, on the morning of her date with Chris Havel, she finds herself navigating the elaborate world of contraception and facing serious performance anxiety issues. Meanwhile, Billie continues to investigate Cherie's mysterious behaviour with an older man, Mick and Ivy break up as he admits he still loves Billie, and much to Jimmy's disgust, Geraldine seems to have the most luck in the bedroom with Mr Soriel, Jimmy's old history teacher.

Still in shock after Alice's unexpected arrival, Nina feels the urge to make peace with her own past and goes to see Brendan. Meanwhile, Billie rights a wrong and as a result, proves her love for Mick.

Plagued by the guilt of sleeping with Mick, Nina faces Chris and blurts out the truth. To her surprise he doesn't pass judgement, but could a surprise visitor cause everything to unravel again?

Nina and Patrick struggle to negotiate the role of the ever present Proudmans in their life together. Meanwhile, Billie is in damage control after her night out on the town.

Nina's insecurities are revealed when a patient poses an awkward request. Meanwhile Geraldine decides to try online dating, and Jimmy is an unexpected saviour to Cherie and Darcy.

Nina discovers Patrick's mysterious past whilst Billie fights to take over the family.

Love struck Nina struggles to keep focused on everyday life as she's plagued by fantasies of Dr Havel. Billie's plan to make Mick jealous backfires when his old flame, Ivy, shows up. Meanwhile, Cherie and Darcy negotiate the rules of dating as Darcy has a life changing one night stand.

Nina struggles with being the other woman in Chris' life. Meanwhile, Billie reluctantly becomes Stacey's birthing partner and Jimmy gets more than he bargained for as a human test subject.

Almost as shocking as the act itself, Nina will shatter her sister’s new found loved-up happiness with Mick, when she finally brings herself to tell Billie what she did. But not before Mick tells Nina he is going to tell Billie himself and Nina can’t stop him. Nina has an awkward meeting with Chris’ wife Alice, where, unable to stop imagining the fallout from Mick’s confession, she cuts her meeting short then inadvertently runs over Alice’s foot in her haste to drive off and confront Billie.

Nina's life has gone from bad to worse since her family discovered her secret. Nobody is willing to forgive her, least of all Billie, and her relationship with Chris is in tatters. Nina is offered a job in Baltimore and decides to take the offer. Nina and Billie have a confrontation at the Hospital. Cherie and Sam take their relationship to the next level.

Nina wonders if her pregnancy with Patrick is enough to keep them together, Patrick struggles with Kate's decision to see her abusive ex-partner Dean and Billie is confronted by Mick's popularity.

Believing she interrupted Chris and Zara having sex in the storeroom, Nina spends a sleepless night struggling with her feelings. When Chris finally corners her to talk, Nina protects herself from further humiliation and pretends to be completely unfazed by the whole incident. Cherie and Darcy host a naming ceremony for Baby Ray that sends the Proudman women into a spin. Billie goes to great lengths to make Mick jealous and Jimmy realises that lying has its limits.

Nina and Patrick deal with a rather difficult house guest, as Billie attempts to cover her business woes.

Nina and Patrick prepare for parenthood as Billie struggles to cope with Nina’s pregnancy. Meanwhile, a new arrival sparks interest at the hospital.

Nina and Patrick try to solve their problems without resorting to sex, at the same time as Nina is forced to tell Patrick the truth about Eloise. Plus, Darcy and Cherie have a big announcement.

Tension runs high between Nina and Darcy as he prepares for his road trip with Cherie. Also, Jimmy tries to keep it in the family by applying for a job as Billie's real estate underling.

Nina's best intentions with the Reid family cause several rifts in both the Reid & Proudman families. Meanwhile, Billie struggles to work under a new boss as well as coping with a damaging magazine article.

Suppressing her feelings, Nina gives Chris some space as he travels to Queensland in search of his missing wife. But with Chris away, and plagued by her own insecurities, Nina makes one very big mistake that will change everything. Meanwhile, Billie can't bring herself to make up with Mick, and Darcy finally learns about Cherie's secret past.

A dream about counsellor Lawrence has Nina questioning her relationship with Patrick. Billie embarks on a new career and heads for self-destruction. The nurses help Eloise with her love life.