Coronation Street spoilers follow.
Coronation Street airs some suspicious scenes involving Shona Platt next month as she keeps secrets from her husband David.
Show bosses are lining up a surprise downward spiral for Shona – setting the stage for explosive scenes airing this Christmas.
Upcoming episodes see Shona get closer to the truth about how David has been manipulating her over her son Clayton Hibbs.
Needing an escape from her family, Shona spends a night away from home and later confides in Roy Cropper about how she's done something she bitterly regrets.
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In follow-on scenes, David gets annoyed with Shona's antics and asks her to sleep on the sofa.
When Shona then receives a mysterious text message, she goes behind David's back for the second time by sneaking out of the Platt house while he's sleeping upstairs.
Shona taps on the door of a hotel bedroom, clearly visiting a mystery person. Is she now cheating on David?
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While Shona is out, she nearly gets run over by a car and badly hurts her arm. She sneaks back to No.8, but knows that she can't tell David that she was injured away from home.
Instead, Shona lies to David by claiming that she fell down the stairs during the night and broke her arm in two places.
Later in the week, Shona takes a more honest approach with solicitor Adam Barlow, admitting that she was nearly run over.
The incident is linked to Debbie Webster's car being stolen by an unknown person, creating an extra layer of intrigue over what happened.
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David looks set to rumble Shona's cover-up when he finds her coat in the wheelie bin outside, bloodied and torn.
He questions Shona, who claims that she ruined her coat when she fell down the stairs. Will David believe her?
Coronation Street's new producer Kate Brooks recently warned that Shona and David's marriage will come under threat this Christmas.
Brooks told Digital Spy and other press: "The Platts are at the heart of Christmas. You've got David and Shona – and David has made massive mistakes in hiding visiting orders from Clayton.
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"This goes on to have massive consequences and Shona hits that self-destruct button in the build-up to Christmas and makes some really terrible judgement calls."
She added: "All those secrets come to the forefront on Christmas Day."
Coronation Street airs these scenes on Monday, December 9, Wednesday, December 11 and Friday, December 13 on ITV1 and ITVX. You can also check out our collection of 23 spoiler pictures from these episodes.
Coronation Street airs on Mondays, Wednesdays and Fridays at 8pm on ITV1 and streams on ITVX.
Read more Coronation Street spoilers on our dedicated homepage
