EastEnders spoilers follow.

EastEnders will introduce a new theory in Zoe Slater's stalker storyline, with a soap icon being accused of being behind the incidents. With the mystery deepening further, could the new angle be the truth after all?

Zoe has found herself on the receiving end of harassment over the past few weeks, though she hasn't been able to pin down exactly who has been stalking her. The suspect list has been wide-reaching, but a definitive has eluded her.

One figure that Zoe has accused is ex-nemesis Sam Mitchell, who returned to Walford earlier this month. During a particularly eventful festive period , Zoe and Kat will suspect Sam even more, before a chilling discovery is made ahead of Christmas Day .

"Sam is adamant that she isn’t involved, but the pair do h

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