Christmas was a devastating day in Hollyoaks for Sienna Blake, Luke Morgan and Cindy Cunningham.
Sienna now knows that her partner Brody Hudson (Adam Woodward) and her sister Liberty Savage (Jessamy Stoddart) slept together, though she isn't fully clear that they did it because her eggs were deemed no longer viable for IVF.
In Friday's one-hour first-look Christmas special, Sienna's Christmas celebration was going to plan when she even managed to get Maxine (Nikki Sanderson) and Damon (Jacob Roberts) under the same roof for the special day.
"This is the Christmas I have been dreaming of my entire life," she admitted.
Sienna's day took an unexpected turn when she went into the village to buy a pack of batteries for the drone she'd bought Brody.
After deciding to give the drone a test run, she spotted Damon and Liberty in a heated conversation in front of the open window in her flat.
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As the drone flew upwards, Sienna was horrified to hear the two talking openly about sleeping together when they conceived her child!
Flashes of the 'old Sienna' returned as she started angrily pulling decorations off the village Christmas tree in a fit of rage.
"They lied. And they cheated on me," she sobbed as Martine (Kéllé Bryan) comforted her. "It's not my baby!"
Martine assured Sienna that she would be able to "survive the pain", because she once gave up a child of her own years earlier.
"I can't tell you to forgive them, but I can tell you to fight for your child," Martine urged her. "Pretend you never heard anything… Stay quiet. There's a chance you could still have everything you ever dreamed of."
Though Sienna joined an unsuspecting Brody and Liberty at The Dog to tell them they'd given her "the perfect Christmas", she privately vowed they'd "pay for what they've done" once the baby arrives.
Luke and Cindy's Christmas Day wasn't much jollier, as they were forced to coexist at Darren and Mandy's flat following their recent break-up.
When their hosts ordered the former couple to get along, Cindy (Stephanie Waring) tried to get under Luke's (Gary Lucy) skin by flaunting that she was already in an online relationship with a new guy called Jurgen.
Luke finally admitted that he'd only broken up with Cindy because he's dying from rare and incurable form of dementia called FTD Pick's disease and didn't want her to have to be his carer.
"Why do you think I've been such a trainwreck?" he asked. "Why do you think I finished with you?"
While Darren, Mandy and Luke tried to cool things down by going over to The Dog for a Christmas drink, Cindy did not follow — instead, she returned to her flat to sob over Luke's diagnosis.
Hollyoaks airs Mondays through Fridays at 6.30pm on Channel 4, with first-look episodes airing on E4 at 7pm.
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