EastEnders spoilers follow.
EastEnders' Kat Slater and Alfie Moon are preparing to tie the knot again next week, but things go very wrong when Kat calls off the wedding.
The pair have been on cloud nine since their whirlwind engagement, but as the big day approaches, cracks begin to show, thanks to son Tommy's antics and a series of stressful misunderstandings. Will they manage to get hitched?
The lead-up to the big day is overshadowed by the shocking discovery Kat made on Alfie's laptop. The bride-to-be found a sexually explicit video but doesn't realise it was Tommy who downloaded it – after Joel Marshall encouraged him to use Alfie's credit card to make the purchase.
Concerned Kat confides in Jean Slater, sharing her worries that Alfie is secretly watching adult entertainment because they're still struggling to be intimate after his cancer treatment.
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"Alfie gets some words of wisdom from Kim," explains our insider, "and sets the scene for a romantic meal – but Kat arrives home in full seduction mode. Alfie is taken aback by this surprise, so Kat is left humiliated and storms out."
Instead of reigniting the passion in their partnership, crushed Kat feels even more distant from her fiancé. But after Alfie seeks advice from Patrick Trueman, the couple soon get their relationship back on track.
During a frank chat, Kat confronts Alfie about the explicit video, but he has no idea what she is talking about. Finally untangling the crossed wires, they work out Tommy was responsible for downloading the clip.
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As the wedding day dawns, Alfie promises to have a word with Tommy, but he soon gets distracted when preparations for the ceremony go awry.
"The wedding seems cursed and nothing seems to go to plan," says our source, "and while Alfie tries to do the right thing, it ends in disaster and the day continues to fall apart. Frustrated Kat finally flips and announces to heartbroken Alfie that the wedding's off."
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Kat is comforted by Elaine Peacock and Yolande Trueman, while Alfie ends up receiving guidance from an unlikely local.
Calming down after their emotional confrontation, Kat and Alfie agree to talk – can the wedding be saved? Or is it really over for the Square soulmates?
EastEnders airs on Mondays - Thursdays at 7.30pm on BBC One. The show also streams on BBC iPlayer, where most episodes drop early at 6am ahead of their TV broadcast.
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