A doctor on the wards has tested himself for an STD, Jess instantly worries its Sean as she is having sypmtons herself. when Sean tells Jess he clear Jess goes to maternity to get herself checked out but Mickie delivers some shocking news - Jess is pregnant.

Jess Griffin goes to maternity for her first scan after Mickie and Donna put some doubt into her mind about Sean being the father. down in maternity, Mickie drops a bombshell - Jess is nine weeks along. nine weeks ago Jess was in Paris with Zubin.

Crossover with Casualty; for part 1, see S19E17: Casualty@Holby City (1) Jim fights to help Rosie and the baby to safety. The drug addict leaves Bex for dead but she is rescued and manages to survive. While as the remaining victims of the explosion try to escape, Jim gives up his own life so Rosie can escape the hospital alive.

The hospital is in turmoil following the accident as Rosie has no memory of what happened.

Rosie decides to discharge herself from hospital but doesn't get far as she goes into premature labour.

Tricia's friend Maggie returns to hospital but wants to die as Jess receives a surprise.

Chrissie heads to London to track down her dad whilst a father holds Will, Zubin and Ric hostage on AAU with Ric injured.

Tricia and Chrissie get a surprise when Mark puts in an appearance on the ward.

As Mark prepares to leave Holby and return to London, a patient collapses requiring his assistance.

Chrissie's father mark decides to leave the hospital after he discovers that neither Tricia or Chrissie want him to stay. But later Tricia has a change of heart and decides to tell him he can stay after all, but can't speak for his daughter Chrissie.

Jess notices she's bleeding slightly and is taken to Maternity. she is later rushed in to surgery where she has a reaction to a drug. will she and the baby be ok? Jodie tells Mickie why she doesn't like Will. she later drives to him him causing a lot of scaffolding to fall on to him.

Will was left impaled on a pole and trapped underneath the scaffolding after Jodie crashed into him. Another man, Dermot was impaled by the same pole trapped under Will. Casualty's Comfort arrived at the scene. Meanwhile, Jodie ran off and eventually caught up with Mickie. She lied and said she lost consciousness and her foot slipped. Later, Mickie discovered she'd been deceived and shopped her to the cops. Jess was still recovering from her operation and was surprised when Sean asked her to marry him. Zubin told Jess he wanted to take care of her but Jess wasn't convinved. The fire-fighters moved Will and Dermot together and they were taken to Darwin. Connie fought to save Will and took him off bypass to see if he could sustain himself. Suddenly his condition detoriated and he died.

It is the day of Will's memorial service but, as Connie gives a reading, Will's wife, Susan, tells her to shut up and tell the truth. Susan claims that Connie made Will's life a misery by bullying and harassing him. Later, Holby Chief Executive, Peter, informs Connie that Susan is making an official complaint about her bullying to the board. Peter suggests that Connie resigns quietly… Owen and Diane are back from their honeymoon. Chrissie tells Owen that Diane should know about her husband's infidelity. Later, Owen sees Diane and Chrissie speaking and wonders if Chrissie will tell Diane about their night of passion. Sean talks to Jess about wedding plans, but she says she wants to take things slowly. Sean decides to ask for Ric's blessing. When he receives it, an overjoyed Sean tells Jess the news. He takes out a ring and proposes, but they are interrupted by a patient. Later, Sean pesters Jess for an answer and warns her that he will not wait around for ever.

Jess and Zubin talk and Sean realises she does not love him, so they decide to end their relationship and call off the wedding. Meanwhile, Chrissie persuades Connie to consider Mark for a permanent position, and she says she will interview him that afternoon. Mark says he will go but he later changes his mind and tells Connie he does not want the job. Connie is furious and berates Chrissie. Chrissie storms into the bar where Lisa and Mark are drinking and tells Mark she wants nothing more to do with him. Dominic Fryer starts work as the new teaching consultant but Diane is shocked to see him. One of his students, Emma, turns up, and they argue and she attacks him. Dominic collapses and discovers he has a hernia, so Ric agrees to operate on him later. Diane questions Emma on her relationship with Dominic. She asks if he forced himself on Emma and reveals he did the same to her. Dominic says he wants to be awake during his operation. During the procedure, Dominic and Diane start to argue