Casualty säsong 27

Zoe's first day as the ED'S clinical lead gets off to a trying start when the team are faced with dealing with the aftermath of a tunnel collapse at a music festival and they need all hands to help out.

Tamsin faces a ghost from her past when she and Jeff attend a call out at a lap dancing club, and Sam attempts to unravel the mystery of a patient with amnesia.

Sam and Tom are pushed to their limits when a cage fighter goes against their advice, and some devastating news threatens to ruin a wedding.

Dylan and Tess must treat an agitated pregnant woman, while Fletch tries to unravel the relationship between a teenage girl and her swimming coach.

The team is put to the test when Holby is hit by severe weather, and the stress of work and dealing with a face from the past leads Big Mac's health to take a dangerous turn.

Fletch plays a practical joke on Lloyd after a staff night out, and Dylan attempts to teach a medical student about the dangers of alcohol abuse.

The team deal with an accident at a troubled small business, and a young businessman with heart problems is demanding staff find his missing phone.

Zoe oversteps the line when she attempts to help a vulnerable young woman, and Mac gets into serious trouble on his first day back when a patient with Alzheimer's appears to have swallowed some cleaning fluid.

Zoe struggles to deal with the fallout of a suspected E. coli outbreak, and Dylan is touched by an elderly patient who has lost his beloved wife.

Zoe and the ED reap the fallout from the E-coli outbreak and things go from bad to worse for Rob.

Dylan deals with a woman whose pregnancy is not all it seems, and teenager Angel is desperate to get some cash together to pay off her bullies.

Tamzin's decision not to treat an aggressive patient has serious repercussions, and Tom and Sam differ over how to approach a family with a dark secret.

A family are shocked to find out an intruder isn't all he seems to be, and a woman finds out she's the heir to her nasty aunt's fortune.

As Charlie and Big Mac prepare for the ED Christmas party, Dylan's suspicions about Amanda reach boiling point and Tom is confronted by an unwelcoming face from the past in the form of locum consultant Dominic.

Jeff decides to help Tamzin keep a secret but it pushes their friendship to the limit and makes life difficult for Dixie.

Tensions once again rise between Tom and Dominic as they argue over the treatment of a baby with severe hypothermia and Dylan finally admits that he has not moved on from Sam.

Four student nurses receive a baptism of fire on their first shift in the ED when a coach crash means the team has to pull together to save lives.

Zoe is concerned that Jordan is not facing up to the severity of Yvonne's condition when she is rushed to the ED. Elsewhere, Tom and Sam must work together to uncover the tangle of secrets between three students, and Robyn discovers that Aoife's boyfriend is not as perfect as he seems.

Jordan fights desperately to keep his girlfriend's life support machine switched on but when an ill young woman arrives in the ED, he's forced to reconsider his motives.

It is the day of Yvonne Rippon's funeral, and Nylon gets Jordan to visit him in the young offenders' institute as the guilt-ridden Aslans both find themselves in the ED. Meanwhile, the rest of the team must work out the identity of a mystery man and locate his missing son.

Jordan's return to Holby builds to a climax when he is called on to save the life of the person who killed his girlfriend.

New doctor Ash hits the ground running when he treats a patient with suspected rabies, and Aoife is forced to take control of her private life when her ex-boyfriend Craig arrives in Holby.

David tracks down his estranged wife, Kate, to get her help in saving their 10-year-old son who is dying of leukaemia. Meanwhile, Zoe has had to go home sick, leaving Ash to deal with the continuing flu epidemic.

Jeff must persuade David to act in his son's best interests, Fletch is determined to help an elderly man in love, and Zoe returns from sick leave and clashes with Ash.

Big Mac thinks he may have finally found the woman of his dreams but when she mistakes him for a doctor he does not set her straight. Later, Ash clashes with Zoe when he carries out a risky procedure without telling her.

Ash and Zoe struggle to make a teenage boy accept the severity of his father's condition, while Linda helps a pregnant woman cope with her waster boyfriend.

Jeff is caught up in a marital dispute, Robyn breaches patient confidentiality, and Linda tries to give a woman with a learning-disabled son some respite.

Robyn has to try and save her friend's life when a day at the fairground goes badly wrong. Meanwhile, Fletch and Aoife treat a drugged-up Easter Bunny, and Tom lands himself in both Sam and Zoe's bad books.

When Tom tries to help a young man with a troubled home life, Sam assists him in putting the pieces together. Meanwhile, Jamie treats a junior boxing champion who reminds him of his difficult upbringing.

Zoe and Ash must work together to reunite two schoolgirls who are injured during a science exam, while Tom helps a frightened mother and her son.

Zoe goes out of her way to help and protect a young girl she believes is at risk of female genital mutilation. Elsewhere, Fletch deals with a man who needs to take responsibility for his health and lifestyle.

Jeff is distressed when his father and sister are involved in a car accident, Jamie finally stands up to his overbearing father and Linda helps a woman with postnatal depression.

When hoodies break into an off-license, it is more than just a random attack, and a family must pull together to stop the gang's reign. When a confused and disoriented Godfrey brings his dog Lulu to the ED, it takes teamwork to discover the sad truth behind his condition.

Ash deals with his daughter's admission to the ED after being hit by a drunken police driver, while Tom's judgement is called into question when a baby he has discharged nearly dies.

Tom deals with a family who refuse to face up to their problems including the grandfather's alcoholism. Later, Linda's nursing experience enables her to see the bigger picture after she initially sympathises with a patient being harassed by a group of youths.

Tom is determined to show that a previous misdiagnosis isn't affecting his confidence and Tess helps a young woman to face her future.

When Tess witnesses a stabbing she becomes personally involved with the victim and the attacker. Elsewhere, Charlie helps a couple whose relationship is feeling the effects of the wife's long-term illness.

Lloyd is determined to uncover the truth about a cannabis factory on his final day as a nurse, while Tess and Fletch try to counsel a feisty young couple.

Tom faces a dilemma of truth and confidentiality over the paternity of a baby, while Sam tries to help Alan deal with his anger issues and save his marriage.

Fletch becomes embroiled in a hate-campaign in a tower block, and Ash and Zoe have to protect a local shopkeeper who has been harassed by unruly kids.

Tom and Sam clash over the best course of action when a mother can no longer cope with the strain of family life, and Ash receives another surprise visit to the ED from his tearaway daughter, Ella.

When Marcus is mugged, Sam and Fletch work together to reveal who the real victim is. Elsewhere, Robyn uncovers the facts behind little Tyler's injured arm.