Confronted with an unwelcome patient, Serena is forced to make a life or death choice. Chloe decides she's ready to move on in 2020, but will her decision hurt a good friend? And Ange and Fletch plan their first New Year's Eve together, but will Sacha and Dominic's interference scupper their plans?

When Bea requires emergency surgery, a suspended Kian takes matters into his own hands, but at what cost? Essie's feathers are ruffled by a flash new consultant, and how will Dominic react to an unwanted Christmas gift?

On the day he and Dom are due to renew their wedding vows, Lofty finally makes a decision about what he really wants in life. A newly pregnant Chloe wrestles with her conscience, and Sacha attempts to put himself first, which means he has to say no to hosting Christmas with Essie.

Jac has to face some home truths when she is visited by the three wise men, and Chloe gets some life-changing news.

Elliot needs life-saving surgery. Jac is the only one qualified to do it, but will her struggles with anxiety result in her killing her mentor?

How much will Kian sacrifice to give Bea what she wants? Will Dom and Lofty's grief bring them closer together or rip their marriage apart?

A heartbroken Lofty and Helen are rocked by tragic news which tears their world apart. A guilty Xavier evaluates his working relationship with Donna, and are the cards stacked against Jac at Darwin's mortality and morbidity review?

As Elliot's concern for Jac grows, will he ever be able to tell her his secret? Lofty is determined to be there for his new family, but will it be smooth sailing from here? Sacha is conflicted when his feelings for Essie resurface.

In Holby City's 1,000th episode, a familiar face returns for the hospital's 150th anniversary. Ric is discharged, but is this the last Holby will see of him? Jac performs a milestone heart-transplant procedure, while the hospital celebrates it's 150th birthday with a bonfire party.

Cameron makes a fatal mistake on Halloween, which leaves him forced to confront the ghosts of his own past.

Ric agrees to undergo the dangerous brain surgery proposed by neurosurgeon Max. During the procedure, Ric has visions of his dead son and lost love, who present him with a terrible choice between life and death. A pregnant Helen returns to Holby, and Dom tries to support Lofty as he faces the prospect of fatherhood.

Frankie returns to Holby, keen to take Isla back. Essie is not convinced she is truly ready for the demands of parenthood, and tries to persuade her to leave her daughter behind. A top neurosurgeon has a radical idea for how to treat Ric's tumour, but Serena is not convinced by the plan. Ric is left to consider both their positions, and decide what he wants to do. Jac returns from holiday, and asserts her authority over an overworked Kian.

Both Ric and Darla are faced with life-changing decisions, an aggressive stranger at the hospital threatens to blow Essie's baby secret wide open, and will Kian be able to mend the heart of an old flame?

Will it be Chloe or Evan's version of events that will be believed? How can a grieving Cameron make amends for failing Chloe when she needed him most? And what will an MRI scan reveal about Ric's future?

Evan refuses to give up on Chloe and proves what a real threat he can be. Cameron abandons his quest to help Ric when he receives heart-breaking news.

Ric worries that something may be wrong with him. Will Essie's lie that she's Isla's adopted mother be exposed?

A friendly face from the past gives Ric someone to confide in. Fletch goes on a mission that could cost him his relationship with Ange.

Jac is rocked when Faye Morton returns to Holby bringing Joseph with her. Sacha struggles to do the right thing for a family grieving their mother.

Chloe's day is thrown into chaos when Evan's sister, Phoebe, returns to Holby. Essie is left torn when she is forced to make a difficult decision, and a high profile patient is admitted to AAU, but are things exactly as they seem?

Essie has a shocking encounter with a distressed stranger who claims to know Raf, and plays on her good nature - leading her to make a pact that could change her life for ever. Xav notices Ric making more and more mistakes, and decides to confront him about it. Kian tries to boost Nicky's confidence by giving her a tricky patient to diagnose.

Chloe desperately tries to convince Evan that their marriage is over as he bombards her with calls, photos and flowers and refuses to take no for an answer. Hanssen is forced to choose between work and family as he prepares for an important operation, and Dominic and Lofty are surprised by the outcome of their relationship counselling, but secrets threaten to tear them apart.

Kian struggles to cope with the anniversary of a family tragedy. The only way he can find hope is by vowing that he will save someone's life today. Hanssen fears his family history makes him unfit to raise Oskar, and questions whether nature or nurture will have a greater impact on the boy. Cameron turns down help from Alex as he tries to process a recent revelation, and Serena receives some surprising news.

As loved ones continue to worry about her, Chloe starts to learn more about Evan. Will she be rocked by more family revelations? Cameron wants to prove himself as a doctor, and get out from under Bernie's shadow, but he receives some devastating news. And Hanssen discovers his grandson is not the only one who believes in the tooth fairy.

When a patient attacks Evan, Chloe is forced to make a huge decision. Serena and Fleur Fanshawe are thrown together to help a patient.

Cameron tries to prove himself to Kian, but they clash over Kian's teaching methods. A frustrated Xavier gets relationship advice from the most unlikely source, and Carole opens up to Hanssen about her woes with Dominic and impending divorce

Xavier tries to build bridges with Donna, Cameron can't quite shift his feelings of unease around Evan, and Fletch is anxious about his first official date with Ange.

Donna tries to shelter Xavier from his mother's erratic behaviour. Sacha makes a romantic gesture but finds something unexpected in Patricia's cleaning cupboard.

The manipulative Isaac continues to drive a wedge between Dom and Lofty, but when Isaac puts Lofty in harm's way and the net is closing in, is Isaac's fate sealed?

Good intentions backfire for Cameron when an intervention doesn't go his way, but when faced with an opportunity to protect Chloe, Cameron makes a selfless gesture.

Hanssen must navigate the world of parenting to figure out what's troubling his unusually quiet grandson Oskar.

In the hope of mending Isaac and his father Jon's relationship, Dom makes a risky decision which lands him in hot water. Hanssen finds himself in unfamiliar territory when an estranged relative arrives at Holby begging for his help. And keen for a new start, a revitalised Chloe throws herself into work when she returns.

As Dominic continues to treat Isaac's father, Lofty is determined to protect him, but when Dominic refuses to let him it puts their marriage in doubt and plays into Isaac's hands. A hungover Jac is mortified she can't remember how the previous night ended with Ken, much to Kian's amusement. She eventually gets her answer, but not before having to save Ken's life first.

Dominic faces his difficult past when he goes head to head with his abusive ex, Isaac, while Ange and Carole band together to try to help him.

Struggling with the news that Dominic is her half-brother, Chloe is forced to operate with him. Lofty returns to Holby with a secret.

Ange plans to tell Chloe her biggest secret, but a surprise locum throws her day into disarray. Ric's granddaughter, Darla, arrives at Holby, forcing Ric to deal with her pregnancy head on. Kian rallies Nicky and Cameron to help him find out who Jac's mystery patient is.

Kian's larger-than-life personality and alternative methods begin to grate on Jac. Ange opens up to Dom, revealing a huge secret in the process, while Sue makes a big mistake.

Jac's status is challenged when a talented new surgeon arrives at Holby and instantly causes a stir, while Dom is irritated when Carole starts work on reception.

Zosia and Jac's relationship deteriorates when Jac pulls rank over a patient's treatment, but a startling incident forces them to unite - causing Zosia to reconsider her future.

Dom throws himself into work as he struggles to process a shocking family secret. Zosia undermines Jac's authority and puts a strain on their already fraught relationship.

Chloe is wrongfooted when ex-boyfriend Evan unexpectedly turns up on Darwin Ward, and Dom is confronted with life-changing revelations.

Ange uncovers a long-buried secret that threatens to completely shatter her world. Can Frieda manage to work within the rules when a friend of Roman's appears in Holby?

As the protesters grow angrier, Holby tightens security - and Fletch realises there may be darker forces at play surrounding Theo's disappearance.

Chloe struggles to decide if staying at Holby is the right thing to do. Dom tries to persuade her, but is thrown off course by a surprise visitor.

A romantic evening doesn't go as planned for Xavier and Donna when his mother arrives, landing Donna in a difficult position.

The high court gives its judgement on withdrawing care for Ange's patient, and Frieda returns to Darwin, but faces problems when she is paired with Zosia for the day.

The second of a two-part crossover episode. After a computer virus shuts down the hospital's power, Jac and Connie fight to save friends, and Ric mounts a rescue to help Essie.

Zosia's news gets a mixed response and her situation is further complicated when a colleague from the US turns up. Sacha is rattled when an old flame appears with their partner.

Zosia returns to Holby looking for work, while a frustrated Jac tries to track down Frieda, and Ange admits there is no hope for her patient, Holly.

While Holly's condition weighs heavily on an emotionally invested Ange, Holly's distraught parents must put their differences aside to make a heart-breaking decision.

A family secret leads to a young patient delaying vital surgery, Ric campaigns for change, and it remains to be seen whether Nicky has the strength to fight for what she wants.

When Holby is stretched to breaking point, an angry Ric can't take the status quo any longer. Can Frieda suppress her pain simply by throwing herself into a punishing work schedule? A reluctant Ange considers calling in someone close to help with a difficult patient.

Frieda's hard-won contentment is abruptly shattered when Roman reappears. Xavier strains his relationship with Donna thanks to some unsolicited attempts to parent Mia. Ange shoulders the burdens of YAU but seems blinkered as to who might really need help.

A surprise blast from the distant past continues to wreak havoc when he returns to Holby. Nicky and Cameron go head to head when Jac offers one of them an opportunity for a promotion. Serena shepherds her flock down on AAU when an old face turns up and upsets the applecart.

On a new year road trip to compete for funding, Jac, Ric and Sacha confront some old enemies. Serena's worst fears are realised when a family member becomes her patient.