Zosia manages to overstep the mark and accuses a patient of a media leak forcing Oliver to deal with an unwelcome dilemma. Zosia comes to a gut-wrenching decision as Serena discovers Bernie is working on AAU, Dominic has to face his fears.

With Evie still recovering from her fall, Fletch commits to being a better dad.

Sacha's birthday celebrations don't go quite according to plan.

Fran returns to the hospital and takes some drastic action to try and get Jac's attention.

Following the death of his mother, Jesse attempts to reappraise his relationship with his father as Ina is readmitted to Darwin.

Mo finds herself having to listen to her heart instead of her head as Serena's actions leave devastating consequences as Arthur and Morven have a day they won't forget.

Zosia begins to question where her loyalties lie as Arthur and Morven have a decision to make as Dom battles his guilt.

Dominic is perturbed when Isaac's former surgical mentor is admitted. Despite the existence of a wife, it's clear there's a personal connection between the two men. Is Dom prepared to accept Isaac's past? Jasmine is keen to impress Jac professionally and make a connection with her half-sister personally. But will Jac's public acknowledgement of their relationship bring them together or drive them further apart? Ric is dispatched by Hanssen to deal with the estranged wife of the local MP - the feisty, French Francoise. Will Ric allow himself to succumb to her Gallic charms?

Fletch is recovering from being attacked. Progress stalls when he loses feeling in his feet. As the paralysis spreads, Raf struggles to diagnose the cause. Will he make a breakthrough before it is too late? The passionate courtship of a patient and her beau reminds Zosia what she has lost with Ollie. In the dark about Ollie's relationship with Jasmine, Zosia begins to think about the possibility of reconciliation. A happily engaged patient and her partner present a vision of what might have been for Sacha and Essie. Have they made the right decision in breaking up?

A major train accident sees Dom with the perfect opportunity to escape back into work mode. Bernie’s husband attempts to to play dirty in the divorce, as he turns her children against her.

Jac returns from her break but gets a shock when she sees who is working on Darwin.

Hanssen gets ready to fly back to Sweden to see his family and becomes suspicious that Guy is attempting to wrest control of the hospital something which Guy later publicly announces. Serena looks for reassurance that Hanssen will stay and fight the battle.

Dominic comes up with a unique way to grieve the loss of his best friend. Raf and Fletch clash after Raf reveals how he really feels about Naomi.

After an army medic shows up on Darwin Ward, tensions increase for Guy and Ollie. Serena has to make a difficult decision following the discovery of a family secret.

Bernie ends up having to question what she wants after her future at the hospital is put in doubt. Ollie and Zosia's world is blown apart after a former flame of his shows up.

Zosia finds herself having to chose between Arthur and her career as Dom finds his loyalty being tested by a familiar face as Bernie finds it hard to find her place on AAU.

Bernie faces an ethical dilemma when her wayward son arrives at the hospital.

Jac returns to work on Darwin leading to a battle with Guy over his plans as Morven and Arthur end up clashing over a patient.

It looks like Serena is going to spend another New Year's Eve alone but after some revellers at a gig are attacked, fate brings more than just a few casualties onto the hospital.

Bernie starts her first day on the ward trying to put her army life behind her as Arthur's dream of becoming a life donor gets a set back as Serena has to make a decision regarding Jason.

When Cara makes a move on Raf, complications arise as Arthur receives some shattering news as an old friend of Adele's is admitted to Darwin.

Bernie has to work alongside an old army colleague and ends up being forced to confront the secrets of the past and face the truth behind her sudden exit from the army as Mr T learns that no one takes him seriously as Serena has a choice to make between her happiness and Jason.

As Jac launches the fully-formed Digby Stent, it looks like that someone has stolen their patent. Dom’s first day back doesn’t go as planned after a forthright new registrar shakes up the ward.

Mo struggles with a big choice about her future. Mikey causes more trouble for Fletch.

Arthur is determined to proof himself with Hanssen's ambitions as Raf manages to see Naomi in a different light as Oliver tries to get back together with Zosia.