New consultant Fleur Fanshawe shakes things up on Keller.

Mo is determined to prove she can swim with the sharks, but is she in over her head?

Colette's struggle to help Zosia pushes her relationship with Guy to breaking point.

Serena is distraught when her mother does not recognise her.

Serena is overwhelmed by Adrienne's situation. Adele struggles with her workload.

Guy is forced to confront the fact that Zosia may not be cured of her mental illness.

Jesse is forced to face up to how his dalliance with Zosia may have impacted her health.

Raf is thrown by Amy's request. Dominic ruthlessly risks all to fulfil his ambitions.

Zosia gets emotionally involved with a patient with catastrophic consequences.

Elliot's plans for a quiet family Christmas are derailed by the arrival of a friend.

Dominic's past returns to haunt him. Mo needs a date for her sister's wedding.

Guy's world is rocked by the arrival of a familiar face on the ward.

Jac considers the possibility of a new start with Emma in the USA.

Jonny goes head to head with Guy. A shocking discovery knocks Sacha for six.

Mo tries to hide from Adele, not ready to tell her about the family secret.

Mary-Claire gains a fresh perspective on her relationship with Harry.

Sacha is left reeling at the news that his daughter Rachel has left the hospital.

Is Sacha prepared to sacrifice the love of his daughter and do the right thing?

Dominic and Arthur compete to impress, but are they stronger together than apart?

As Guy investigates the death of a patient, Jonny finds himself in hot water.

Jonny is arrested. Arthur frets over choosing a specialism.

Harry resists further treatment on his face until he's given a few home truths.

Mo has to make a choice about her father when she risks losing her last link to him.

Elliot and Mo fight to save Jonny from being returned to prison by a vindictive Guy.

Jonny returns to work after his release from prison, with explosive consequences.

Essie fights for her relationship with Sacha, but has he already moved on?

Fletch is horrified when Evie's first day at her new school leads to disaster.

Annabelle and Zosia go head to head with Guy over a special case.

Battle lines are drawn as new CEO Henrik Hanssen clashes with Guy.

Zosia offers to help Annabelle develop her groundbreaking experimental procedure.

Zosia steps out from behind her father's shadow and proves her worth as a surgeon.

Essie freaks out when Sacha wants to take things to the next level.

After a tough day, Jesse and Adele are brought closer together than ever.

A fiery Essie clashes with Sacha. With increasing money pressures, Fletch crosses a line.

It's Zosia's first day back on Darwin, but there's a fly in the ointment - Ollie.

Guy and Jesse clash over Guy's surgical risk-taking.

An exuberant new doctor on AAU puts Arthur to the test.

Fletch finds himself at breaking point as his family are kicked out on the street.

Fletch finds he is in too deep with the pharmaceutical robbery.

Essie shocks Sacha by announcing she wants to have a baby.

A devastated Mo tries to keep her head above water while waiting for Adele to come round.

An uncompromising Mo decides Fletch's fate. Oliver oversteps the mark with Zosia.

Sacha and Essie realise they may have slightly different visions of their future together.

Elliot is presented with a dilemma when he is offered an exciting new position.

Guy attempts to rectify the past through an old friend of his deceased wife.

Jesse and Guy's increasingly fractious relationship hits the rocks.

Guy is held hostage by a grieving widower looking for revenge.

Sacha's world is thrown into uncertainty when an old nursing friend of Essie's turns up.

When Elliot's first love tumbles back into his life, Elliot makes a startling choice.

Cara is shell-shocked when her undercover cop husband arrives at the hospital.

It's the day of the wedding. Adele's world is rocked when she makes a startling discovery.