Next week on Casualty, Flynn deals with a tragic case that descends into chaos, while Stevie is in grave danger and Rida wants to get to the truth about Sean.

Here is our round-up of all the biggest moments coming up in the latest episode of the current boxset ‘Internal Affairs’ – titled ‘Fight Bite’.

1. Flynn faces a harrowing case

Tensions are high between Flynn and Dylan, as the ED approaches full capacity. But the team come together to treat Lena and Carly, two teenage girls who are pulled out of Holby Docks after being chased by the police for shoplifting.

Carly tragically dies, and her devastated parents immediately blame Lena. Flynn bonds with the girl, who is distraught – and it soon becomes clear what really happened.

2. Stevie’s health deteriorates

Following the reveal that it was Siobhan’s son Ben who has been stalking Stevie, things are naturally tense between the two colleagues at work, and it is a struggle to remain professional in the ED. The pair treat a patient together, but Siobhan gets frustrated when Stevie goes missing while sorting his care.

Siobhan searches the hospital and finds Stevie bleeding heavily in the toilets. As Stevie is forced to share the truth about her ovarian cyst to Siobhan, it’s clear her health has gone rapidly downhill. Will Stevie be okay?

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3. Rida wants answers

Since finding out through Nicole that Sean’s name is on a list of surgeons to avoid, Rida has been keeping her distance. She asks Nicole for more information, but Nicole suggests that she speaks to Sean directly.

Rida eventually decides to confront him and brings up the worrying rumours she has heard about. How will Sean react, and will Rida get the answers she is searching for?

4. A vigil turns violent

After hearing more details about what happened to her late daughter, Lena’s dad Ashley leaves the hospital and heads to a vigil that is being held at the docks with his friends.

Tensions grow when the police arrive, and Teddy and Iain are forced to step in when the crowd turns violent. The situation quickly escalates, and with Flynn and councillor Anna also on the scene, will everyone escape the frightening scene unharmed?

Related: Casualty casts iconic Coronation Street villain in latest episode

5. Indie has an idea

Jacob and Indie bring in homeless patient Will to the ED, who has been in a fight with his mother’s boyfriend.

While Jacob is saddened that such a nice person has nobody in his corner, Indie has an idea. What does she have in mind, and will she be able to help Will in his time of need?