The hospital holds an emergency drill to see how the staff would cope with a terrorist attack.

Tricia learns her operation has been postponed but is shocked to find out how far Mark will go to get her back on the list.

Abra attempts to steal some HIV drugs for a patient and he begins to flirt with Kyla. Joseph returns to work after his overdose and works with Elliot who is grateful for the distraction from Gina's death.

Ric's complicity in Abra's misdeeds forces him into a decision.

While Tricia fights for her life, Mark battles with his guilt over the accident.

Enigmatic new surgeon Dan Clifford rocks up to Holby, but whose side is he on?

Clifford puts pressure on Abra whilst digging for dirt.

A rival prompts Jac to go in for the kill with Joseph. Mark clashes with Connie.

Lola discovers she could lose Leanne and plays dirty.

Clifford makes Lola finally face up to some home truths regarding Leanne's future.

Sam feels he's losing control of the situation with Connie and the baby.

Clifford is hot on Abra's heels - will he catch him this time?

Abra has been getting away with his drugs scam, but this time Clifford won't let him go.

A guest of Clifford's only strengthens Diane's paranoia. When a career enhancing opportunity presents, Jac works Clifford and Joseph to try and get in on the action.

Diane's eagerness to please Clifford results in a somewhat unusual outcome.

Chrissie makes a shocking discovering about Sam's home life.

Sam's reputation is under fire following Chrissie's shock departure.

Sam has a fight on his hands when the gossip starts about him and Jade.

There's tension between Harvey and Kyla, and greedy Donna comes back down to earth.

Jac realises she's getting nowhere fast, Kyla and Harvey reach a new understanding.

Faye and Jac lock horns over Joseph, and Maddy clashes with Lola.

The police grill Faye about what happened to her husband back in Dubai.

The truth about Nikki changes the friendship between Matt and Dean forever.

Faye finds herself drawn into the darker side of Kyla and Harvey's relationship.

Jac is desperate to get involved with pioneering telesurgery that's taking place.

Sam gets a shock when an old friend turns up the hospital as he arrives for work.

Lola treats two schoolgirls injured in a horrific car accident.

Kyla and Harvey's turbulent relationship reaches a shocking climax.

Kyla struggles to hold it together as her world lies in ruins.

Kyla is thrown a curveball as she decides to pull herself together for Max's sake.

Sparks fly when Kyla receives a surprise visitor to Harvey's wake.

Joseph sets out to save his parents' marriage.

Diane makes a momentous decision after being forced to face the truth.

Elliot tries to talk Diane out of resigning from her post.

Lola returns from her convalescence to find the staff reeling from Diane's death.

Chaos descends on Holby when the nurses are pushed to breaking point.

There's a shock in store for Connie when her past catches up with her.

Sparks fly when Elliot is on the receiving end of an unexpected complaint.

Just when Chrissie thinks she's found her ideal man, Anton pushes her to the limit.

Joseph's fears look set to become reality as Jac and Lord Byrne's relationship progresses.

As Lord Byrne recovers from his stroke, will Joseph be able to reconcile with his father?

It's Ric and Thandie's wedding day, but the groom has serious doubts.

Jac sets her sights on a new goal. Abra smells a rat when Ric returns from honeymoon.

Clifford encourages a patient with Down's Syndrome to go against his mother's wishes.

Joseph tries to warn Faye about Sam after catching him and Chrissie together.

Maddy has a nightmare day when Hannah's six-year-old daughter overdoses on methadone.

Clifford steps in to save the day when Louise's stent trial goes horribly wrong.

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Clifford crashes back down to Earth after getting caught up in a 'Louise whirlwind'.

Medical drama series. A mysterious face from Abra's past turns up at Holby.

Medical drama series. Abra's father is taken ill.