Mitzeee is determined that her nemesis should be punished for her recent crimes, but with Mercedes's cunning lawyer Jim McGinn plotting to use Riley Costello as a scapegoat in her defence, it seems that the verdict could go either way…
Digital Spy recently caught up with Rachel Shenton, who plays Mitzeee, to hear more about this week's episodes.
It's definitely been a big year for Mitzeee on the show!
"It has, and I'm so pleased. I feel really lucky with the storylines that I've had this year. Especially so with the trial scenes that are coming up, because it's a really big moment for Mitzeee where she hopes to get justice.
"I'm thrilled with the range of emotions I've been able to play over the past year. It's been really great."
Have you found it easy to switch off from Mitzeee's tears and turmoil?
"It can actually take a long time to switch off. For example, when Mitzeee was in prison and I was also filming the late-night episodes, I was literally crying day in, day out!
"When you get home, you think, 'I feel really down and I don't know why'. But then you think, 'Bloody hell, I've been crying all day so that's why!'"
What can you tell us about how this week's episodes begin?
"When Mitzeee hears that the trial is coming up, she tries to put on a front that she's okay and everything is fine. But then Brendan sees a little crack in Mitzeee's armour, and because of the relationship that they have, he pulls her into Chez Chez to have a word.
"Brendan gets Mitzeee to let out some of her frustration on a punchbag. I think that definitely helps and it's the little push that Mitzeee needs, as she just needed someone who understood. As much as her sister Maxine is trying to help, she hasn't been there throughout everything so she can only understand so much."
Had you boxed before?
"I'd done boxercise classes in the gym, but I'm definitely not a pro! Plus the gloves were too big! I thought it looked quite comedic at one point because I'm so much shorter than Emmett, but once I watched it back, I thought that it looked okay."
What happens next?
"Getting the push from Brendan - someone who knows her and knows exactly what's gone on - definitely helps. You'll see that Mitzeee goes into court feeling more prepared and ready. I think Mitzeee's primary concern is seeing Mercedes again, because this will be the first time since Riley's death, and she'd also been quite nervous about having all eyes on her.
"Mitzeee desperately hopes that justice will be done, but you never really know until the verdict is read out and there are no certainties, so it's a very tense day for her."
What are courtroom scenes like to film? You've had a few recently!
"I have! They're very long days - normally people take books with them! Obviously there's so many different shots that the crew need to get from all different angles. There's a lot of waiting around, so that's the only downside to doing a courtroom scene. But with this trial, thankfully I had a lot to do and say, so there wasn't much downtime for me."
Spoilers have revealed that Mercy and her solicitor Jim try to blame Riley for her stabbing. How does Mitzeee react to that?
"As you would imagine, it's utter disbelief at first. Jim adopts a line of questioning with Mitzeee which puts the blame on Riley, and she just can't believe what is being said to her. She even asks him to repeat himself because she thinks she must have heard it wrong.
"When it dawns on Mitzeee that the plan is to blame Riley, she tries desperately to fight her own corner. But it doesn't work out and she starts to lose her head slightly…"
Do you think Mercedes feels any guilt over what she's doing?
"Yes, I do. That's my personal take on it, and the viewers will have to wait and see what they think, but I personally believe that she does."
Will Mitzeee want revenge if the verdict is not guilty?
"She'd definitely be out for revenge - there's no way that Mercedes should be able to get away with that!"
In recent months, your character has seemed more like Ann - her real name - than her alter ego Mitzeee. Will we see the outrageous Mitzeee return?
"I can tell you 100% yes! I think the past few months have been really, really interesting to watch. What I love so much about my character is that she has those two sides in place, and can use both to her advantage sometimes.
"Recently we've seen this sad, very real version of Ann, but I think it's high time that she moves on and we see a bit of glamour back."
How did you feel about the producers bringing in a sister for Mitzeee?
"I was very pleased. There'd been no talk of Maxine beforehand so I had a few questions, but as soon as I did a few scenes with Nikki [Sanderson], I thought it was great and I just knew it was going to work.
"There's a really interesting dynamic between them and what you'll see is that Maxine is the one who helps Mitzeee come back to her old self. But I'm not allowed to say any more than that."
There was lots of tension between Mitzeee and Maxine at first. Do you think they work better as friends or enemies?
"They're absolutely a duo. They're very, very similar like two peas in a pod, so that should be interesting to watch."
Do you want Mitzeee to get a new love interest, or does she need more time to grieve for Riley?
"I'd say give her a break. She's had a rough year, hasn't she? I think she needs to concentrate on getting back to Mitzeee and feeling good, and then let's deal with her love life after that."
Nancy has been a loyal friend to Mitzeee in recent months. Will Mitzeee return the favour with Nancy's newborn son still in hospital?
"I'd really like to think so, yes. They've been very, very good friends from day one, and I like it because it's such an unconventional friendship. They're the least likely friendship because they're polar opposites, but they're always there for each other and I'd definitely like to see that continue.
"I'd love to see Mitzeee return the favour because Nancy has helped her out so much."
In past interviews you've spoken about how passionate you are about working with the deaf community. With that in mind, have you enjoyed watching the storyline with Lacey's friend Dylan?
"Absolutely - I really have and I think we've done it brilliant justice. Plus, I know what's coming up and I know that it's going to become even more enjoyable and more accurate so I'm very, very pleased."
Do you have more fundraising events lined up for the National Deaf Children's Society?
"I'm climbing Kilimanjaro next September. I should have done it this year, but I couldn't get the time off because of work. But I'm definitely doing that next year and I'm also doing a 10k run in January. I think that's quite ambitious for January after the Christmas festivities!"
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Hollyoaks airs weeknights at 6.30pm on Channel 4, with first look screenings at 7pm on E4.