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.

Nina Proudman is floating on cloud nine. She's in love with Dr Patrick Reid and happy in her job - but is everything about to change?

Nina wakes up hung over in a stranger's bed, faced with overwhelming evidence she's had a one night stand. Meanwhile, with Nina missing from work and home, Patrick's concern leads him to investigate...

As Billie prepares for a new life overseas, Nina faces Zoe's first birthday and the anniversary of Patrick's death. But first the St Francis staff must face an emergency of epic proportions.

A week after moving in with Patrick, Nina worries that living & working together is putting a strain on their relationship; later, Nina gets a surprise call from Dr Noonan hoping to catch Geraldine.

The reality of Patrick's departure hits Nina as she walks to work. Later at Patrick's farewell, Nina struggles to say a proper goodbye in front of all her workmates.

Nina is shocked by the arrival of a new male midwife; Billie is under pressure as Lawrence's apartment goes to auction; Zara surprises Jimmy with a life-changing announcement.

Billie struggles with the knowledge that Mick is single; Nina deals with the fallout from Thomas meeting the Proudmans; Kim has a shock proposal for Clegg.

Burying concerns over the identity of her biological father, Nina focuses on the hunt for a rental property with Patrick. Nina's only forced to confront the issue when Billie reveals she located one of the possibilities. Billie's disappointed to discover her only fertile time of the month coincides with Tim and Andrew's first big date. Jimmy and Zara attend the first ultrasound for their baby.

Proud of the way she's coped post breakup, Nina arrives at work ready to face her first day of surgery with Patrick; determined not to wallow, Cherie takes Nina out for a night of fun and partying...

Nina finds herself at the heart of Proudman family chaos, while trying to assure Patrick her relationship with Adam is platonic.

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

Billie plays cupid for two hopeless lovers and three generations of Proudman women help Nina do what she does best in a life-affirming moment.

Nina arrives at work shocked to discover Patrick is being investigated over an allegation of patient abuse

Worried about their first big fight and Patrick's night alone at a motel, Nina finds Patrick at work to apologise. Mick and Rosanna continue to forge their musical partnership...

The staff at St Francis are shaken by a public relations crisis at the hospital and Nina finds herself clashing with Harry Crewe, the consultant brought in to deal with the issue.

Still reeling after learning of her true parents, Nina meets with Darcy to find out how he's coping. Both hurt and confused by the news, Nina and Darcy downplay their feelings trying to save their pain.

Nina celebrates her 35th birthday at the hospital where Darcy has recreated Nina's 8 year old dream birthday party! It is sure to be a night full of surprises!

Eighteen months after the events of season five, Nina and the Proudman clan are shaken by tragedy when a family gathering results in explosive revelations.

Patrick confronts Nina about the serve Billie gave him over their breakup and her new relationship with Adam. Will Nina face the boundaries of her relationship?

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 and Billie face their dreaded high school reunion. While Nina tries to convince everyone she's happy to go, Billie has her own reasons not to attend.

Nina and Leo are floored by an unexpected patient at St Francis; Mick asks Billie to come to London with him; Cherie must choose between Kim and Clegg's needs.

Nina gets to know St Francis' alleged "pantsman" Dr Angus Freeman better, with his behaviour leading her to do something out of character.